diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 1d7ac851e..5be01f649 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -1,3 +1,7 @@
 {
-  "recommendations": ["dbaeumer.vscode-eslint", "esbenp.prettier-vscode"]
+  "recommendations": [
+    "dbaeumer.vscode-eslint",
+    "esbenp.prettier-vscode",
+    "streetsidesoftware.code-spell-checker"
+  ]
 }
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index cb4a8b633..546755e58 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -112,7 +112,7 @@ Rush change will ask for the following questions for each modified packages:
 - message: This should be a good description of what the changes are to this package
 - type:
   - `major`: For a breaking change. **DO NOT USE All versions remain in 0.x stage until GA.**
-  - `minor`: A new funtionality.
+  - `minor`: A new functionality.
   - `patch`: A bug fix.
   - `none`: Not relevant to the consumer of the packages. For example some added tests.
 
@@ -140,11 +140,14 @@ your PR. Carefully review whether the changes are intentional.
 
 ## Recommended extensions
 
-1. [Mocha Test
-   Explorer](https://marketplace.visualstudio.com/items?itemName=hbenl.vscode-mocha-test-adapter):
+1. [Mocha Test Explorer](https://marketplace.visualstudio.com/items?itemName=hbenl.vscode-mocha-test-adapter):
    Run tests from the IDE.
 2. [Prettier](https://marketplace.visualstudio.com/items?itemName=esbenp.prettier-vscode):
    Automatically keep code formatted correctly on save.
+3. [ESLint](https://marketplace.visualstudio.com/items?itemName=dbaeumer.vscode-eslint):
+   Show eslint errors in warnings in UI.
+4. [Code Spell Checker](https://marketplace.visualstudio.com/items?itemName=streetsidesoftware.code-spell-checker):
+   Show spell check errors in document.
 
 ## Opening the repo as workspace
 
@@ -163,10 +166,10 @@ at a time in the IDE.
 This will setup a an incremental watching build for the whole
 repo. From there on, your changes will be built whenever you save.
 
-Problems will be reported in the Problems pane auotomatically and the
+Problems will be reported in the Problems pane automatically and the
 Terminal pane will have three parallel watch tasks running:
 
-- `watch-source`: tsc process that recompiles on TypeScript changes
+- `watch-source`: tsc process that recompile on TypeScript changes
 - `watch-spec`: process that regenerates spec.html when
   spec.emu.html changes
 - `watch-tmlanguage`: process that regenerates cadl.tmlanguage when
@@ -194,7 +197,7 @@ debug the last one you chose.
 
 1. **VS Code Extension**: This will run and debug an experimental
    instance of VS Code with the Cadl extension for VS Code and Cadl
-   language serever running live with any of your changes. It will
+   language server running live with any of your changes. It will
    attach to both the VS Code client process and the language server
    process automatically.
 2. **Compile Scratch**: Use this to debug compiling
@@ -250,7 +253,7 @@ of the Cadl extension for VS Code running live with any of your changes
 to the extension or the Cadl language server.
 
 The VS debugger will attach only to the VS client process. Use "Attach
-to Lanugage Server" described above to debug the language server in
+to Language Server" described above to debug the language server in
 VS Code.
 
 # Installing your build
diff --git a/README.md b/README.md
index ef6d561df..4987afed4 100644
--- a/README.md
+++ b/README.md
@@ -171,8 +171,8 @@ cadl format <patterns...>
 cadl format **/*.cadl
 
 # Exclude certain patterns. Either use `!` prefix or pass it via the `--exclude` or `-x` option.
-cadl format **/*.cadl "!mytestfolder/**/*"
-cadl format **/*.cadl --exclude "mytestfolder/**/*"
+cadl format **/*.cadl "!my-test-folder/**/*"
+cadl format **/*.cadl --exclude "my-test-folder/**/*"
 ```
 
 ### Installing VS Code Extension
diff --git a/common/changes/@cadl-lang/compiler/cspell_2022-09-08-23-54.json b/common/changes/@cadl-lang/compiler/cspell_2022-09-08-23-54.json
new file mode 100644
index 000000000..4d4df9f71
--- /dev/null
+++ b/common/changes/@cadl-lang/compiler/cspell_2022-09-08-23-54.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@cadl-lang/compiler",
+      "comment": "",
+      "type": "none"
+    }
+  ],
+  "packageName": "@cadl-lang/compiler"
+}
\ No newline at end of file
diff --git a/common/changes/@cadl-lang/compiler/validate-model-is-extends-expr_2022-09-08-16-09.json b/common/changes/@cadl-lang/compiler/validate-model-is-extends-expr_2022-09-08-16-09.json
index 895e62dad..75618b727 100644
--- a/common/changes/@cadl-lang/compiler/validate-model-is-extends-expr_2022-09-08-16-09.json
+++ b/common/changes/@cadl-lang/compiler/validate-model-is-extends-expr_2022-09-08-16-09.json
@@ -2,9 +2,9 @@
   "changes": [
     {
       "packageName": "@cadl-lang/compiler",
-      "comment": "**Breaking** Model `extends` or `is` canot reference a model expression.",
+      "comment": "**Breaking** Model `extends` or `is` cannot reference a model expression.",
       "type": "minor"
     }
   ],
   "packageName": "@cadl-lang/compiler"
-}
\ No newline at end of file
+}
diff --git a/common/changes/@cadl-lang/eslint-config-cadl/cspell_2022-09-08-23-54.json b/common/changes/@cadl-lang/eslint-config-cadl/cspell_2022-09-08-23-54.json
new file mode 100644
index 000000000..9120f0fbb
--- /dev/null
+++ b/common/changes/@cadl-lang/eslint-config-cadl/cspell_2022-09-08-23-54.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@cadl-lang/eslint-config-cadl",
+      "comment": "",
+      "type": "none"
+    }
+  ],
+  "packageName": "@cadl-lang/eslint-config-cadl"
+}
\ No newline at end of file
diff --git a/common/changes/@cadl-lang/internal-build-utils/cspell_2022-09-08-23-54.json b/common/changes/@cadl-lang/internal-build-utils/cspell_2022-09-08-23-54.json
new file mode 100644
index 000000000..cac835692
--- /dev/null
+++ b/common/changes/@cadl-lang/internal-build-utils/cspell_2022-09-08-23-54.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@cadl-lang/internal-build-utils",
+      "comment": "",
+      "type": "none"
+    }
+  ],
+  "packageName": "@cadl-lang/internal-build-utils"
+}
\ No newline at end of file
diff --git a/common/changes/@cadl-lang/openapi/cspell_2022-09-08-23-54.json b/common/changes/@cadl-lang/openapi/cspell_2022-09-08-23-54.json
new file mode 100644
index 000000000..05bce127e
--- /dev/null
+++ b/common/changes/@cadl-lang/openapi/cspell_2022-09-08-23-54.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@cadl-lang/openapi",
+      "comment": "",
+      "type": "none"
+    }
+  ],
+  "packageName": "@cadl-lang/openapi"
+}
\ No newline at end of file
diff --git a/common/changes/@cadl-lang/openapi3/cspell_2022-09-08-23-54.json b/common/changes/@cadl-lang/openapi3/cspell_2022-09-08-23-54.json
new file mode 100644
index 000000000..d2cfff98b
--- /dev/null
+++ b/common/changes/@cadl-lang/openapi3/cspell_2022-09-08-23-54.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@cadl-lang/openapi3",
+      "comment": "",
+      "type": "none"
+    }
+  ],
+  "packageName": "@cadl-lang/openapi3"
+}
\ No newline at end of file
diff --git a/common/changes/@cadl-lang/prettier-plugin-cadl/cspell_2022-09-08-23-54.json b/common/changes/@cadl-lang/prettier-plugin-cadl/cspell_2022-09-08-23-54.json
new file mode 100644
index 000000000..b89283c29
--- /dev/null
+++ b/common/changes/@cadl-lang/prettier-plugin-cadl/cspell_2022-09-08-23-54.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@cadl-lang/prettier-plugin-cadl",
+      "comment": "",
+      "type": "none"
+    }
+  ],
+  "packageName": "@cadl-lang/prettier-plugin-cadl"
+}
\ No newline at end of file
diff --git a/common/changes/@cadl-lang/rest/cspell_2022-09-08-23-54.json b/common/changes/@cadl-lang/rest/cspell_2022-09-08-23-54.json
new file mode 100644
index 000000000..601b07abb
--- /dev/null
+++ b/common/changes/@cadl-lang/rest/cspell_2022-09-08-23-54.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@cadl-lang/rest",
+      "comment": "",
+      "type": "none"
+    }
+  ],
+  "packageName": "@cadl-lang/rest"
+}
\ No newline at end of file
diff --git a/common/changes/@cadl-lang/versioning/cspell_2022-09-08-23-54.json b/common/changes/@cadl-lang/versioning/cspell_2022-09-08-23-54.json
new file mode 100644
index 000000000..b925a7f96
--- /dev/null
+++ b/common/changes/@cadl-lang/versioning/cspell_2022-09-08-23-54.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@cadl-lang/versioning",
+      "comment": "",
+      "type": "none"
+    }
+  ],
+  "packageName": "@cadl-lang/versioning"
+}
\ No newline at end of file
diff --git a/common/changes/cadl-vs/cspell_2022-09-08-23-54.json b/common/changes/cadl-vs/cspell_2022-09-08-23-54.json
new file mode 100644
index 000000000..a4cdce0da
--- /dev/null
+++ b/common/changes/cadl-vs/cspell_2022-09-08-23-54.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "cadl-vs",
+      "comment": "",
+      "type": "none"
+    }
+  ],
+  "packageName": "cadl-vs"
+}
\ No newline at end of file
diff --git a/common/changes/cadl-vscode/cspell_2022-09-08-23-54.json b/common/changes/cadl-vscode/cspell_2022-09-08-23-54.json
new file mode 100644
index 000000000..bc1c3e2f3
--- /dev/null
+++ b/common/changes/cadl-vscode/cspell_2022-09-08-23-54.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "cadl-vscode",
+      "comment": "",
+      "type": "none"
+    }
+  ],
+  "packageName": "cadl-vscode"
+}
\ No newline at end of file
diff --git a/common/config/rush/command-line.json b/common/config/rush/command-line.json
index 7f0fec369..81eb490fc 100644
--- a/common/config/rush/command-line.json
+++ b/common/config/rush/command-line.json
@@ -54,6 +54,12 @@
       "summary": "(CUSTOM) Regenerate samples.",
       "shellCommand": "node eng/scripts/npm-run.js regen-samples"
     },
+    {
+      "commandKind": "global",
+      "name": "cspell",
+      "summary": "(CUSTOM) Check spelling.",
+      "shellCommand": "node eng/scripts/cspell.js"
+    },
     {
       "commandKind": "global",
       "safeForSimultaneousRushProcesses": true,
diff --git a/common/config/rush/pnpm-lock.yaml b/common/config/rush/pnpm-lock.yaml
index a31439564..178927eea 100644
--- a/common/config/rush/pnpm-lock.yaml
+++ b/common/config/rush/pnpm-lock.yaml
@@ -606,6 +606,237 @@ packages:
     resolution: {integrity: sha512-mgmE7XBYY/21erpzhexk4Cj1cyTQ9LzvnTxtzM17BJ7ERMNE6W72mQRo0I1Ud8eFJ+RVVIcBNhLFZ3GX4XFz5w==}
     dev: false
 
+  /@cspell/cspell-bundled-dicts/6.8.1:
+    resolution: {integrity: sha512-hZCAtUeEsQ16f9SvruKYB9nFDjt+VXtZ/yJHONo6+dev9A6JpsUGWGL2oja6fD4j+mvFoMc/Dm1wzhtTYeSvhA==}
+    engines: {node: '>=14'}
+    dependencies:
+      '@cspell/dict-ada': 2.0.1
+      '@cspell/dict-aws': 2.0.0
+      '@cspell/dict-bash': 2.0.4
+      '@cspell/dict-companies': 2.0.13
+      '@cspell/dict-cpp': 3.2.1
+      '@cspell/dict-cryptocurrencies': 2.0.0
+      '@cspell/dict-csharp': 3.0.1
+      '@cspell/dict-css': 2.1.0
+      '@cspell/dict-dart': 1.1.1
+      '@cspell/dict-django': 2.0.0
+      '@cspell/dict-docker': 1.1.1
+      '@cspell/dict-dotnet': 2.0.1
+      '@cspell/dict-elixir': 2.0.1
+      '@cspell/dict-en_us': 2.3.3
+      '@cspell/dict-en-gb': 1.1.33
+      '@cspell/dict-filetypes': 2.1.1
+      '@cspell/dict-fonts': 2.1.0
+      '@cspell/dict-fullstack': 2.0.6
+      '@cspell/dict-git': 1.0.1
+      '@cspell/dict-golang': 3.0.1
+      '@cspell/dict-haskell': 2.0.1
+      '@cspell/dict-html': 3.3.1
+      '@cspell/dict-html-symbol-entities': 3.0.0
+      '@cspell/dict-java': 3.0.7
+      '@cspell/dict-latex': 2.0.9
+      '@cspell/dict-lorem-ipsum': 2.0.1
+      '@cspell/dict-lua': 2.0.0
+      '@cspell/dict-node': 3.0.1
+      '@cspell/dict-npm': 3.1.2
+      '@cspell/dict-php': 2.0.0
+      '@cspell/dict-powershell': 2.0.0
+      '@cspell/dict-public-licenses': 1.0.6
+      '@cspell/dict-python': 3.0.6
+      '@cspell/dict-r': 1.0.3
+      '@cspell/dict-ruby': 2.0.2
+      '@cspell/dict-rust': 2.0.1
+      '@cspell/dict-scala': 2.0.0
+      '@cspell/dict-software-terms': 2.2.6
+      '@cspell/dict-sql': 1.0.4
+      '@cspell/dict-swift': 1.0.3
+      '@cspell/dict-typescript': 2.0.1
+      '@cspell/dict-vue': 2.0.2
+    dev: false
+
+  /@cspell/cspell-pipe/6.8.1:
+    resolution: {integrity: sha512-FbpYK58PlrGIOjZxu51/dFkFv7iaPhKWrkQ/q/9vW82g2ovouFeql0S7X9g4Dnn75Pd5P/pYPgFubCSawtp3pA==}
+    engines: {node: '>=14'}
+    dev: false
+
+  /@cspell/cspell-service-bus/6.8.1:
+    resolution: {integrity: sha512-lpr+5TntZdneLxmhSGT3pKOsxLJ40KahJDyNqM+91ssqIczeqrm7jZ2hZCdx4XqQM2dOAMvsB0ZyZuuDjQ+ptg==}
+    engines: {node: '>=14'}
+    dev: false
+
+  /@cspell/cspell-types/6.8.1:
+    resolution: {integrity: sha512-Yo/SJZEG3SbcIfxqdQat70LW5SwXoox2L+G8y0VCtdYu+hFr5ouSUInlfItgiFBgDKNSF0w1u2oOZeNkFZ1Aiw==}
+    engines: {node: '>=14'}
+    dev: false
+
+  /@cspell/dict-ada/2.0.1:
+    resolution: {integrity: sha512-vopTJ1oHrrFYV5GU55Sr+AzItR78Uj5YbCaspYABmYKlq4NRrcUAUsr4bWgymDcspMIHO7e7IFcj48OKs1fndA==}
+    dev: false
+
+  /@cspell/dict-aws/2.0.0:
+    resolution: {integrity: sha512-NKz7pDZ7pwj/b33i3f4WLpC1rOOUMmENwYgftxU+giU2YBeKM2wZbMTSEIzsrel56r0UlQYmdIVlP/B4nnVaoQ==}
+    dev: false
+
+  /@cspell/dict-bash/2.0.4:
+    resolution: {integrity: sha512-uK/ehmp5LYrmRH2Gv3nbvdPswpkybJUn34WYKLpeuYHQktmi+pOI1A9uPdBPnSbMDffSvwQlQohIyKawz+X8Ag==}
+    dev: false
+
+  /@cspell/dict-companies/2.0.13:
+    resolution: {integrity: sha512-EacGH6Yjd2u+sNRLd6+3jxbzWBSsmF4g52Xfxfv2T48qzRWJ1zqpX89ijihgYTwvZbf8H/6Lu+z1VU4e1gUp0g==}
+    dev: false
+
+  /@cspell/dict-cpp/3.2.1:
+    resolution: {integrity: sha512-XcmzrKIghqFfrYLLaHtWKOp9rupiuGdc5ODONk+emsq0W5CIc3Abn27IQHwUzxzF+Cm5IfKAIJ5Kpe6hkzm0HQ==}
+    dev: false
+
+  /@cspell/dict-cryptocurrencies/2.0.0:
+    resolution: {integrity: sha512-nREysmmfOp7L2YCRAUufQahwD5/Punzb5AZ6eyg4zUamdRWHgBFphb5/9h2flt1vgdUfhc6hZcML21Ci7iXjaA==}
+    dev: false
+
+  /@cspell/dict-csharp/3.0.1:
+    resolution: {integrity: sha512-xkfQu03F388w4sdVQSSjrVMkxAxpTYB2yW7nw0XYtTjl3L/jBgvTr/j1BTjdFbQhdNf10Lg0Ak1kXOjmHodVqA==}
+    dev: false
+
+  /@cspell/dict-css/2.1.0:
+    resolution: {integrity: sha512-glASAELcGhh4Ru0rTQ4G9mTQxSyPwsZOON/5BYflB6Kks8YC8nUvKrtMCoo5W7CPKPfSEa8zUNctFQ1+IUYDHA==}
+    dev: false
+
+  /@cspell/dict-dart/1.1.1:
+    resolution: {integrity: sha512-XBOCpezXrgFN18kGEwqMpTUGZdw4BjCoJrNOo6qBdcdZySCrEHLwELraLOkcSba2kM4stmTp0t59FkwtP8TKOA==}
+    dev: false
+
+  /@cspell/dict-django/2.0.0:
+    resolution: {integrity: sha512-GkJdJv6cmzrKcmq2/oxTXjKF5uv71r4eTqnFmgPbNBW1t+G4VYpzOf0QrVQrhx2RC4DdW5XfcTf+iS0FxHOTmw==}
+    dev: false
+
+  /@cspell/dict-docker/1.1.1:
+    resolution: {integrity: sha512-UEYoeRDm7oUN9yz1mYSozz6D4+2N14S/cd2Re9et6Xzq6yi62s4ky3knF92Of2weelADjnN41UA22VBhRAf7Sw==}
+    dev: false
+
+  /@cspell/dict-dotnet/2.0.1:
+    resolution: {integrity: sha512-b1n4crJRW0WZVf9Gp/52j/tDtjYiZ3N81fIyfqPlBrjsh/5AivfA697DYwQ2mr8ngNX7RsqRtYNQjealA1rEnQ==}
+    dev: false
+
+  /@cspell/dict-elixir/2.0.1:
+    resolution: {integrity: sha512-eTTTxZt1FqGkM780yFDxsGHvTbWqvlK8YISSccK8FyrB6ULW+uflQlNS5AnWg3uWKC48b7pQott+odYCsPJ+Ow==}
+    dev: false
+
+  /@cspell/dict-en-gb/1.1.33:
+    resolution: {integrity: sha512-tKSSUf9BJEV+GJQAYGw5e+ouhEe2ZXE620S7BLKe3ZmpnjlNG9JqlnaBhkIMxKnNFkLY2BP/EARzw31AZnOv4g==}
+    dev: false
+
+  /@cspell/dict-en_us/2.3.3:
+    resolution: {integrity: sha512-csyKeaNktfpvMkmE2GOPTwsrQm3wWhLKVaDRaGU0qTcIjDiCvqv/iYgrVrKRkoddA3kdNTZ8YNCcix7lb6VkOg==}
+    dev: false
+
+  /@cspell/dict-filetypes/2.1.1:
+    resolution: {integrity: sha512-Oo0/mUbFHzsaATqRLdkV1RMoYns3aGzeKFIpVJg415GYtJ8EABXtEArYTXeMwlboyGTPvEk+PR2hBSTSfQTqmg==}
+    dev: false
+
+  /@cspell/dict-fonts/2.1.0:
+    resolution: {integrity: sha512-hk7xsbfWEUhc136Xj7I2TD7ouKAfWwzCVAQaHBxcVXAsVxu7bDOGj4FvE2jBzlkSUY8A9Ww8qS0GOFvowJshVg==}
+    dev: false
+
+  /@cspell/dict-fullstack/2.0.6:
+    resolution: {integrity: sha512-R2E2xvbHvvRwwurxfpBJDRIJjXBMfEPF5WNV3LTOEMRqkZtoYCeJK9aqc8LHlmJMtAbnN1cx//BCDIyTJ0rO0A==}
+    dev: false
+
+  /@cspell/dict-git/1.0.1:
+    resolution: {integrity: sha512-Rk+eTof/9inF11lvxmkCRK+gODatA3qai8kSASv6OG/JfPvpj7fTHErx/rdgPw/LOTDUafnoTjTYmj7B2MOQXg==}
+    dev: false
+
+  /@cspell/dict-golang/3.0.1:
+    resolution: {integrity: sha512-0KNfXTbxHW2l8iVjxeOf+KFv9Qrw3z5cyKnkuYJWlBTSB5KcUBfeKCb4fsds26VdANqiy6U91b4gDx5kNEmBjQ==}
+    dev: false
+
+  /@cspell/dict-haskell/2.0.1:
+    resolution: {integrity: sha512-ooA23qIG7InOOxlLm67CNH5O2J85QsPHEAzEU9KEqVfYG5ovFs5tx6n9pHekDVk3MpQULpqfNUYDR0KigPLg5g==}
+    dev: false
+
+  /@cspell/dict-html-symbol-entities/3.0.0:
+    resolution: {integrity: sha512-04K7cPTcbYXmHICfiob4gZA1yaj4hpfM+Nl5WIJ1EAZsSGHdqmGEF28GuCjyQ8ZeKiJAsPt/vXuLBbjxkHqZyQ==}
+    dev: false
+
+  /@cspell/dict-html/3.3.1:
+    resolution: {integrity: sha512-zPcqMJEVG2CaUcd48haZm3AAC6TXDB9RTy800iAaZgYThvU43jE/1YnvmFIlDNXH8Pmlx7iTpo36DmnHnBP5XQ==}
+    dev: false
+
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+    dev: false
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+    dev: false
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+    dev: false
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+    dev: false
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+  /@cspell/dict-swift/1.0.3:
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+    dev: false
+
+  /@cspell/dict-typescript/2.0.1:
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+    dev: false
+
+  /@cspell/dict-vue/2.0.2:
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     dev: false
 
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+    dev: false
+
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     dependencies:
@@ -1452,6 +1687,10 @@ packages:
     engines: {node: '>=8'}
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+
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     engines: {node: '>=0.10.0'}
@@ -1916,6 +2155,14 @@ packages:
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     dev: false
 
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+    engines: {node: '>=8'}
+    dependencies:
+      parent-module: 2.0.0
+      resolve-from: 5.0.0
+    dev: false
+
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     dependencies:
@@ -1995,6 +2242,22 @@ packages:
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     dev: false
 
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+    engines: {node: ^12.20.0 || >=14}
+    dev: false
+
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+    engines: {node: '>= 6'}
+    dependencies:
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+      core-util-is: 1.0.3
+      esprima: 4.0.1
+      has-own-prop: 2.0.0
+      repeat-string: 1.6.1
+    dev: false
+
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     dev: false
@@ -2023,6 +2286,18 @@ packages:
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     dev: false
 
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+    engines: {node: '>=8'}
+    dependencies:
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+      graceful-fs: 4.2.10
+      make-dir: 3.1.0
+      unique-string: 2.0.0
+      write-file-atomic: 3.0.3
+      xdg-basedir: 4.0.0
+    dev: false
+
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     engines: {node: '>=0.8'}
@@ -2085,6 +2360,10 @@ packages:
     requiresBuild: true
     dev: false
 
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+    dev: false
+
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     engines: {node: '>= 0.10'}
@@ -2093,6 +2372,17 @@ packages:
       vary: 1.1.2
     dev: false
 
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+    engines: {node: '>=10'}
+    dependencies:
+      '@types/parse-json': 4.0.0
+      import-fresh: 3.3.0
+      parse-json: 5.2.0
+      path-type: 4.0.0
+      yaml: 1.10.2
+    dev: false
+
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     engines: {node: '>=10.14', npm: '>=6', yarn: '>=1'}
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     dev: false
 
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+    engines: {node: '>=8'}
+    dev: false
+
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+    engines: {node: '>=14'}
+    hasBin: true
+    dependencies:
+      cspell-glob: 6.8.1
+      find-up: 5.0.0
+    dev: false
+
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+    engines: {node: '>=14'}
+    dependencies:
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+    dev: false
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+  /cspell-grammar/6.8.1:
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+    engines: {node: '>=14'}
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+    dependencies:
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+      '@cspell/cspell-types': 6.8.1
+    dev: false
+
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+    dependencies:
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+    dev: false
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+      cosmiconfig: 7.0.1
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+      cspell-grammar: 6.8.1
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+      resolve-global: 1.0.0
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+      vscode-uri: 3.0.3
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+      '@cspell/cspell-types': 6.8.1
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+    dev: false
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+    engines: {node: '>=14'}
+    hasBin: true
+    dependencies:
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+      chalk: 4.1.2
+      commander: 9.4.0
+      cspell-gitignore: 6.8.1
+      cspell-glob: 6.8.1
+      cspell-lib: 6.8.1
+      fast-json-stable-stringify: 2.1.0
+      file-entry-cache: 6.0.1
+      fs-extra: 10.1.0
+      get-stdin: 8.0.0
+      glob: 8.0.3
+      imurmurhash: 0.1.4
+      semver: 7.3.7
+      strip-ansi: 6.0.1
+      vscode-uri: 3.0.3
+    transitivePeerDependencies:
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+    dev: false
+
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     engines: {node: '>=4'}
@@ -2913,6 +3305,13 @@ packages:
       tslib: 2.4.0
     dev: false
 
+  /dot-prop/5.3.0:
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+    engines: {node: '>=8'}
+    dependencies:
+      is-obj: 2.0.0
+    dev: false
+
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     engines: {node: '>=4'}
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     dev: false
 
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+    dev: false
+
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@@ -3752,6 +4155,15 @@ packages:
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     dev: false
 
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+    engines: {node: '>=12'}
+    dependencies:
+      graceful-fs: 4.2.10
+      jsonfile: 6.1.0
+      universalify: 2.0.0
+    dev: false
+
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     dev: false
 
+  /gensequence/3.1.1:
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+    engines: {node: '>=10.0.0'}
+    dev: false
+
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     engines: {node: '>=6.9.0'}
@@ -3798,6 +4215,11 @@ packages:
       has-symbols: 1.0.3
     dev: false
 
+  /get-stdin/8.0.0:
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+    engines: {node: '>=10'}
+    dev: false
+
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     dev: false
@@ -3849,6 +4271,13 @@ packages:
       once: 1.4.0
     dev: false
 
+  /global-dirs/0.1.1:
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+    engines: {node: '>=4'}
+    dependencies:
+      ini: 1.3.8
+    dev: false
+
   /globals/11.12.0:
     resolution: {integrity: sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==}
     engines: {node: '>=4'}
@@ -3963,6 +4392,11 @@ packages:
     engines: {node: '>=8'}
     dev: false
 
+  /has-own-prop/2.0.0:
+    resolution: {integrity: sha512-Pq0h+hvsVm6dDEa8x82GnLSYHOzNDt7f0ddFa3FqcQlgzEiptPqL+XrOJNavjOzSYiYWIrgeVYYgGlLmnxwilQ==}
+    engines: {node: '>=8'}
+    dev: false
+
   /has-symbols/1.0.3:
     resolution: {integrity: sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A==}
     engines: {node: '>= 0.4'}
@@ -4304,6 +4738,11 @@ packages:
     engines: {node: '>=0.12.0'}
     dev: false
 
+  /is-obj/2.0.0:
+    resolution: {integrity: sha512-drqDG3cbczxxEJRoOXcOjtdp1J/lyp1mNn0xaznRs8+muBhgQcrnbspox5X5fOw0HnMnbfDzvnEMEtqDEJEo8w==}
+    engines: {node: '>=8'}
+    dev: false
+
   /is-object/1.0.2:
     resolution: {integrity: sha512-2rRIahhZr2UWb45fIOuvZGpFtz0TyOZLf32KxBbSoUCeZR495zCKlWUKKUByk3geS2eAs7ZAABt0Y/Rx0GiQGA==}
     dev: false
@@ -4340,6 +4779,10 @@ packages:
       has-tostringtag: 1.0.0
     dev: false
 
+  /is-typedarray/1.0.0:
+    resolution: {integrity: sha512-cyA56iCMHAh5CdzjJIa4aohJyeO1YbwLi3Jc35MmRU6poroFjIGZzUzupGiRPOjgHg9TLu43xbpwXk523fMxKA==}
+    dev: false
+
   /is-unicode-supported/0.1.0:
     resolution: {integrity: sha512-knxG2q4UC3u8stRGyAVJCOdxFmv5DZiRcdlIaAQXAbSfJya+OhopNotLQrstBhququ4ZpuKbDc/8S6mgXgPFPw==}
     engines: {node: '>=10'}
@@ -4517,6 +4960,14 @@ packages:
       graceful-fs: 4.2.10
     dev: false
 
+  /jsonfile/6.1.0:
+    resolution: {integrity: sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==}
+    dependencies:
+      universalify: 2.0.0
+    optionalDependencies:
+      graceful-fs: 4.2.10
+    dev: false
+
   /jstransformer/1.0.0:
     resolution: {integrity: sha512-C9YK3Rf8q6VAPDCCU9fnqo3mAfOH6vUGnMcP4AQAYIEpWtfGLpwOTmZ+igtdK5y+VvI2n3CyYSzy4Qh34eq24A==}
     dependencies:
@@ -5237,6 +5688,13 @@ packages:
       callsites: 3.1.0
     dev: false
 
+  /parent-module/2.0.0:
+    resolution: {integrity: sha512-uo0Z9JJeWzv8BG+tRcapBKNJ0dro9cLyczGzulS6EfeyAdeC9sbojtW6XwvYxJkEne9En+J2XEl4zyglVeIwFg==}
+    engines: {node: '>=8'}
+    dependencies:
+      callsites: 3.1.0
+    dev: false
+
   /parse-entities/2.0.0:
     resolution: {integrity: sha512-kkywGpCcRYhqQIchaWqZ875wzpS/bMKhz5HnN3p7wveJTkTtyAB/AlnS0f8DFSqYW1T82t6yEAkEcB+A1I3MbQ==}
     dependencies:
@@ -5981,6 +6439,18 @@ packages:
     engines: {node: '>=4'}
     dev: false
 
+  /resolve-from/5.0.0:
+    resolution: {integrity: sha512-qYg9KP24dD5qka9J47d0aVky0N+b4fTU89LN9iDnjB5waksiC49rvMB0PrUJQGoTmH50XPiqOvAjDfaijGxYZw==}
+    engines: {node: '>=8'}
+    dev: false
+
+  /resolve-global/1.0.0:
+    resolution: {integrity: sha512-zFa12V4OLtT5XUX/Q4VLvTfBf+Ok0SPc1FNGM/z9ctUdiU618qwKpWnd0CHs3+RqROfyEg/DhuHbMWYqcgljEw==}
+    engines: {node: '>=8'}
+    dependencies:
+      global-dirs: 0.1.1
+    dev: false
+
   /resolve/1.22.1:
     resolution: {integrity: sha512-nBpuuYuY5jFsli/JIs1oldw6fOQCBioohqWZg/2hiaOybXOft4lonv85uDOKXdf8rhyK159cxU5cDcK/NKk8zw==}
     hasBin: true
@@ -6798,6 +7268,12 @@ packages:
       underscore: 1.13.4
     dev: false
 
+  /typedarray-to-buffer/3.1.5:
+    resolution: {integrity: sha512-zdu8XMNEDepKKR+XYOXAVPtWui0ly0NtohUscw+UmaHiAWT8hrV1rr//H6V+0DvJ3OQ19S979M0laLfX8rm82Q==}
+    dependencies:
+      is-typedarray: 1.0.0
+    dev: false
+
   /typescript/4.8.2:
     resolution: {integrity: sha512-C0I1UsrrDHo2fYI5oaCGbSejwX4ch+9Y5jTQELvovfmFkK3HHSZJB8MSJcWLmCUBzQBchCrZ9rMRV6GuNrvGtw==}
     engines: {node: '>=4.2.0'}
@@ -6838,11 +7314,23 @@ packages:
     resolution: {integrity: sha512-BQFnUDuAQ4Yf/cYY5LNrK9NCJFKriaRbD9uR1fTeXnBeoa97W0i41qkZfGO9pSo8I5KzjAcSY2XYtdf0oKd7KQ==}
     dev: false
 
+  /unique-string/2.0.0:
+    resolution: {integrity: sha512-uNaeirEPvpZWSgzwsPGtU2zVSTrn/8L5q/IexZmH0eH6SA73CmAA5U4GwORTxQAZs95TAXLNqeLoPPNO5gZfWg==}
+    engines: {node: '>=8'}
+    dependencies:
+      crypto-random-string: 2.0.0
+    dev: false
+
   /universalify/0.1.2:
     resolution: {integrity: sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==}
     engines: {node: '>= 4.0.0'}
     dev: false
 
+  /universalify/2.0.0:
+    resolution: {integrity: sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==}
+    engines: {node: '>= 10.0.0'}
+    dev: false
+
   /unpipe/1.0.0:
     resolution: {integrity: sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==}
     engines: {node: '>= 0.8'}
@@ -7045,6 +7533,10 @@ packages:
     resolution: {integrity: sha512-gu73tuZfJgu+mvCSy4UZwd2JXykjK9zAZsfmDeut5dx/1a7FeTk0XwJsSuqQn+cuMCGVbIBfl+s53X4T19DnzQ==}
     dev: false
 
+  /vscode-uri/3.0.3:
+    resolution: {integrity: sha512-EcswR2S8bpR7fD0YPeS7r2xXExrScVMxg4MedACaWHEtx9ftCF/qHG1xGkolzTPcEmjTavCQgbVzHUIdTMzFGA==}
+    dev: false
+
   /w3c-hr-time/1.0.2:
     resolution: {integrity: sha512-z8P5DvDNjKDoFIHK7q8r8lackT6l+jo/Ye3HOle7l9nICP9lf1Ci25fy9vHd0JOWewkIFzXIEig3TdKT7JQ5fQ==}
     dependencies:
@@ -7173,6 +7665,15 @@ packages:
     resolution: {integrity: sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==}
     dev: false
 
+  /write-file-atomic/3.0.3:
+    resolution: {integrity: sha512-AvHcyZ5JnSfq3ioSyjrBkH9yW4m7Ayk8/9My/DD9onKeu/94fwrMocemO2QAJFAlnnDN+ZDS+ZjAR5ua1/PV/Q==}
+    dependencies:
+      imurmurhash: 0.1.4
+      is-typedarray: 1.0.0
+      signal-exit: 3.0.7
+      typedarray-to-buffer: 3.1.5
+    dev: false
+
   /ws/8.2.3:
     resolution: {integrity: sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA==}
     engines: {node: '>=10.0.0'}
@@ -7199,6 +7700,11 @@ packages:
         optional: true
     dev: false
 
+  /xdg-basedir/4.0.0:
+    resolution: {integrity: sha512-PSNhEJDejZYV7h50BohL09Er9VaIefr2LMAf3OEmpCkjOi34eYyQYAXUTjEQtZJTKcF0E2UKTh+osDLsgNim9Q==}
+    engines: {node: '>=8'}
+    dev: false
+
   /xml-but-prettier/1.0.1:
     resolution: {integrity: sha512-C2CJaadHrZTqESlH03WOyw0oZTtoy2uEg6dSDF6YRg+9GnYNub53RRemLpnvtbHDFelxMx4LajiFsYeR6XJHgQ==}
     dependencies:
@@ -7263,6 +7769,11 @@ packages:
     resolution: {integrity: sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==}
     dev: false
 
+  /yaml/1.10.2:
+    resolution: {integrity: sha512-r3vXyErRCYJ7wg28yvBY5VSoAF8ZvlcW9/BwUzEtUsjvX/DKs24dIkuwjtuprwJJHsbyUbLApepYTR1BN4uHrg==}
+    engines: {node: '>= 6'}
+    dev: false
+
   /yargs-parser/20.2.4:
     resolution: {integrity: sha512-WOkpgNhPTlE73h4VFAFsOnomJVaovO8VqLDzy5saChRBFQFBoMYirowyW+Q9HB4HFF4Z7VZTiG3iSzJJA29yRA==}
     engines: {node: '>=10'}
@@ -7536,7 +8047,7 @@ packages:
     dev: false
 
   file:projects/internal-build-utils.tgz:
-    resolution: {integrity: sha512-5aS803ocYT+hD2ohP9g5O59k9ms2YUYe9WWZ5fBqP+eMFK5zbrj8aSl5CpuhPbrCQ2yJZUVgurUtS6RdorX9/A==, tarball: file:projects/internal-build-utils.tgz}
+    resolution: {integrity: sha512-CTTuoXt20viB4UCT3CU0IApsfXRvxhyuSjBEA/lYk+hO4qzjUjT411p3GXux3RTh3tkf0zgglGBQ1a4ZPf0F1w==, tarball: file:projects/internal-build-utils.tgz}
     name: '@rush-temp/internal-build-utils'
     version: 0.0.0
     dependencies:
@@ -7545,6 +8056,7 @@ packages:
       '@types/watch': 1.0.3
       '@types/yargs': 17.0.10
       c8: 7.11.3
+      cspell: 6.8.1
       eslint: 8.21.0
       mocha: 9.2.2
       mocha-junit-reporter: 2.0.2_mocha@9.2.2
@@ -7555,6 +8067,7 @@ packages:
       watch: 1.0.2
       yargs: 17.3.1
     transitivePeerDependencies:
+      - encoding
       - supports-color
     dev: false
 
diff --git a/cspell.yaml b/cspell.yaml
new file mode 100644
index 000000000..cef81c63f
--- /dev/null
+++ b/cspell.yaml
@@ -0,0 +1,75 @@
+version: "0.2"
+language: en
+allowCompoundWords: true
+dictionaries:
+  - node
+  - typescript
+words:
+  - autorest
+  - azsdkengsys
+  - azurecr
+  - blockful
+  - blockless
+  - cadl
+  - Contoso
+  - CRUDL
+  - dogfood
+  - eastus
+  - ecmarkup
+  - esbuild
+  - globby
+  - inmemory
+  - instanceid
+  - intrinsics
+  - jsyaml
+  - msbuild
+  - MSRC
+  - munge
+  - mylib
+  - nostdlib
+  - oapi
+  - oneof
+  - onig
+  - onigasm
+  - onwarn
+  - openapi
+  - openapiv
+  - picocolors
+  - proto
+  - protobuf
+  - protoc
+  - regen
+  - rpaas
+  - rushx
+  - safeint
+  - strs
+  - TRYIT
+  - TSES
+  - Uhoh
+  - unassignable
+  - Uncapitalize
+  - uninstantiated
+  - unioned
+  - unprojected
+  - unsourced
+  - unversioned
+  - vsix
+  - vswhere
+  - westus
+  - xplat
+ignorePaths:
+  - "**/node_modules/**"
+  - "**/dist/**"
+  - "**/dist-dev/**"
+  - "**/CHANGELOG.md"
+  - "common/scripts/*"
+enableFiletypes:
+  - cadl
+patterns:
+  - name: cursortest
+    pattern: /(.*)┆(.*)/g
+  - name: base64
+    pattern: /\b(.*)==/g
+ignoreRegExpList:
+  - cursortest
+  - base64
diff --git a/docs/release/release-2022-09-07.md b/docs/release/release-2022-09-07.md
index 37902aca0..125881def 100644
--- a/docs/release/release-2022-09-07.md
+++ b/docs/release/release-2022-09-07.md
@@ -32,7 +32,7 @@ Update uses of the type names on the left with the type names on the right. The
 ## [CADL] Rename `Page` to `CollectionWithNextLink`
 
 In library `@cadl-lang/rest` in `Cadl.Rest.Resources` namespace the `Page` model was renamed to `CollectionWithNextLink`.
-This resolve an issue with `Page` being to generic of a name for this very opiniated model.
+This resolve an issue with `Page` being to generic of a name for this very opinionated model.
 
 Before
 
diff --git a/docs/tutorial.md b/docs/tutorial.md
index 7b9f6b3d5..fa4b6eb7a 100644
--- a/docs/tutorial.md
+++ b/docs/tutorial.md
@@ -198,7 +198,7 @@ API authors often need to describe API shapes in terms of specific literal value
 
 ```cadl
 model BestDog {
-  name: "Suki";
+  name: "Max";
   age: 14;
   best: true;
 }
@@ -209,7 +209,7 @@ String literal types can also be created using the triple-quote syntax which ena
 ```cadl
 model Dog {
   favoriteFoods: """
-    McDonalds
+    McDonald's
     Chipotle
     And so on
     """;
@@ -655,7 +655,7 @@ Consider the following example:
 
 ```cadl
 model Dog {
-  // the service will generate an ID, so you dont need to send it.
+  // the service will generate an ID, so you don't need to send it.
   @visibility("read") id: int32;
   // the service will store this secret name, but won't ever return it
   @visibility("write") secretName: string;
@@ -942,7 +942,7 @@ namespace PetToys {
 
 #### Request & response bodies
 
-Request and response bodies can be declared explictly using the `@body` decorator. Let's add an endpoint to create a pet. Let's also use this decorator for the responses, although this doesn't change anything about the API.
+Request and response bodies can be declared explicitly using the `@body` decorator. Let's add an endpoint to create a pet. Let's also use this decorator for the responses, although this doesn't change anything about the API.
 
 ```cadl
 @route("/pets")
@@ -981,7 +981,7 @@ A pattern often used in REST APIs is to define a request or response body as hav
 "discriminator" indicating which actual shape is used for a particular instance.
 Cadl supports this pattern with the `@discriminator` decorator of the Rest library.
 
-The `@discrminator` decorator takes one argument, the name of the discriminator property, and should be placed on the
+The `@discriminator` decorator takes one argument, the name of the discriminator property, and should be placed on the
 model for the request or response body. The different shapes are then defined by separate models that `extend` this request or response model.
 The discriminator property is defined in the "child" models with the value or values that indicate an instance that conforms to its shape.
 
diff --git a/eng/pipelines/pull-request-common.yml b/eng/pipelines/pull-request-common.yml
index f5b974cc6..074828984 100644
--- a/eng/pipelines/pull-request-common.yml
+++ b/eng/pipelines/pull-request-common.yml
@@ -74,6 +74,10 @@ steps:
   - script: node eng/scripts/check-for-changed-files.js
     displayName: Check Git Status For Changed Files
 
+  - script: rush cspell
+    displayName: Spell check
+    condition: ne(variables['Agent.OS'], 'Windows_NT')
+
   - script: rush e2e
     displayName: E2E Tests
     # Skipping e2e test on windows node 16.x as there is a bug with npm and it doesn't seem to want to update correctly.
diff --git a/eng/scripts/create-tryit-comment.js b/eng/scripts/create-tryit-comment.js
index 6ff641b5b..e39ac642c 100644
--- a/eng/scripts/create-tryit-comment.js
+++ b/eng/scripts/create-tryit-comment.js
@@ -3,7 +3,7 @@ import { execSync } from "child_process";
 import https from "https";
 
 const AZP_USERID = "azure-pipelines[bot]";
-const TRYID_COMMENT_IDENTIFIER = "_CADL_TRYIT_COMMENT_";
+const TRY_ID_COMMENT_IDENTIFIER = "_CADL_TRYIT_COMMENT_";
 main().catch((e) => {
   console.error(e);
   // @ts-ignore
@@ -33,7 +33,7 @@ async function main() {
   const azoComments = data.filter((x) => x.user?.login === AZP_USERID);
   console.log(`Found ${azoComments.length} comment(s) from Azure Pipelines.`);
 
-  const tryItComments = data.filter((x) => x.body.includes(TRYID_COMMENT_IDENTIFIER));
+  const tryItComments = data.filter((x) => x.body.includes(TRY_ID_COMMENT_IDENTIFIER));
   console.log(`Found ${azoComments.length} Cadl Try It comment(s)`);
   if (tryItComments.length > 0) {
     console.log("##vso[task.setvariable variable=SKIP_COMMENT;]true");
@@ -41,7 +41,7 @@ async function main() {
   }
 
   const comment = [
-    `<!-- ${TRYID_COMMENT_IDENTIFIER} -->`,
+    `<!-- ${TRY_ID_COMMENT_IDENTIFIER} -->`,
     `You can try these changes at https://cadlplayground.z22.web.core.windows.net${folderName}/prs/${prNumber}/`,
     "",
     `Check the website changes at https://cadlwebsite.z1.web.core.windows.net${folderName}/prs/${prNumber}/`,
diff --git a/eng/scripts/cspell.js b/eng/scripts/cspell.js
new file mode 100644
index 000000000..ed4046964
--- /dev/null
+++ b/eng/scripts/cspell.js
@@ -0,0 +1,15 @@
+// @ts-check
+import { resolve } from "path";
+import { repoRoot } from "./helpers.js";
+import { run, xplatCmd } from "../../packages/internal-build-utils/dist/src/index.js";
+export const cspell = xplatCmd(
+  resolve(repoRoot, "packages/internal-build-utils/node_modules/.bin/cspell")
+);
+
+await run(
+  cspell,
+  ["**/*.md", "**/*.ts", "**/*.js", "**/changelog.json", "common/changes/**/*.json"],
+  {
+    cwd: repoRoot,
+  }
+);
diff --git a/packages/cadl-vs/README.md b/packages/cadl-vs/README.md
index 1595007ac..c2ae02070 100644
--- a/packages/cadl-vs/README.md
+++ b/packages/cadl-vs/README.md
@@ -13,7 +13,7 @@ See https://github.com/microsoft/cadl#installing-visual-studio-extension for ins
 
 ```json
 {
-  "cadl.cadl-server.path": "${workspaceFolder}/mynestedproject/node_modules/@cadl-lang/compiler"
+  "cadl.cadl-server.path": "${workspaceFolder}/my-nested-project/node_modules/@cadl-lang/compiler"
 }
 ```
 
@@ -21,4 +21,4 @@ Cadl wil interpolate a few variables using this pattern `${<name>}`. For example
 
 Available variables:
 
-- `workspaceFolder`: Corespond to the root of your Visual Studio workspace.
+- `workspaceFolder`: Correspond to the root of your Visual Studio workspace.
diff --git a/packages/cadl-vscode/README.md b/packages/cadl-vscode/README.md
index 8cfced973..bfb1500f5 100644
--- a/packages/cadl-vscode/README.md
+++ b/packages/cadl-vscode/README.md
@@ -21,6 +21,6 @@ This setting provides the ability to configure where the cadl compiler is locate
 
 ```json
 {
-  "cadl.cadl-server.path": "${workspaceFolder}/mynestedproject/node_modules/@cadl-lang/compiler"
+  "cadl.cadl-server.path": "${workspaceFolder}/my-nested-project/node_modules/@cadl-lang/compiler"
 }
 ```
diff --git a/packages/cadl-vscode/src/extension.ts b/packages/cadl-vscode/src/extension.ts
index a7e2c9d1c..d7e4919c4 100644
--- a/packages/cadl-vscode/src/extension.ts
+++ b/packages/cadl-vscode/src/extension.ts
@@ -56,14 +56,14 @@ async function launchLanguageClient(context: ExtensionContext) {
     if (typeof e === "string" && e.startsWith("Launching server using command")) {
       client?.error(
         [
-          `Cadl server exectuable was not found: '${exe.command}' is not found. Make sure either:`,
+          `Cadl server executable was not found: '${exe.command}' is not found. Make sure either:`,
           " - cadl is installed globally with `npm install -g @cadl-lang/compiler'.",
           " - cadl server path is configured with https://github.com/microsoft/cadl#installing-vs-code-extension.",
         ].join("\n"),
         undefined,
         false
       );
-      throw `Cadl server exectuable was not found: '${exe.command}' is not found.`;
+      throw `Cadl server executable was not found: '${exe.command}' is not found.`;
     } else {
       throw e;
     }
diff --git a/packages/compiler/CHANGELOG.json b/packages/compiler/CHANGELOG.json
index 0bdd461cb..a579c6a25 100644
--- a/packages/compiler/CHANGELOG.json
+++ b/packages/compiler/CHANGELOG.json
@@ -14,7 +14,7 @@
             "comment": "Internal: Facilitate adding new tokens to scanner.\""
           },
           {
-            "comment": "Formatter: Cadl doesn't include blank line at the end of embeded markdown codeblock"
+            "comment": "Formatter: Cadl doesn't include blank line at the end of embedded markdown codeblock"
           },
           {
             "comment": "Fix issue with ever-increasing duplicate symbol errors in IDE"
@@ -26,7 +26,7 @@
             "comment": "Fix additional issues for decorators not running in projections in templated type instance"
           },
           {
-            "comment": "Internal: Fix some functionatliy not compatible in the browser"
+            "comment": "Internal: Fix some functionally not compatible in the browser"
           },
           {
             "comment": "Fix issue where decorators would get called on uninstantiated template declarations"
@@ -155,7 +155,7 @@
             "comment": "Add DefaultKeyVisibility<T, Visibility> and @withDefaultKeyVisibility to assign a default visibility value to model @key properties in specific operation signatures"
           },
           {
-            "comment": "Fix: Referencing previous template parameter in template parameter defaul"
+            "comment": "Fix: Referencing previous template parameter in template parameter default"
           },
           {
             "comment": "Fix bug in finding effective type"
@@ -185,7 +185,7 @@
             "comment": "Fix: Couldn't use operation defined inside interfaces as signature."
           },
           {
-            "comment": "Fix uninitialzed parent namespaces in projections"
+            "comment": "Fix uninitialized parent namespaces in projections"
           },
           {
             "comment": "Run projections on types returned from getEffectiveType"
@@ -273,7 +273,7 @@
             "comment": "Improve error message when loading library with invalid `main` file"
           },
           {
-            "comment": "Added new decorator signatgure validation helper"
+            "comment": "Added new decorator signature validation helper"
           },
           {
             "comment": "Allow empty tuples"
@@ -501,7 +501,7 @@
             "comment": "Fix formatting of comment between decorator and property"
           },
           {
-            "comment": "Fix using `&` with tempalte parameters"
+            "comment": "Fix using `&` with template parameters"
           },
           {
             "comment": "Support browser builds"
@@ -524,7 +524,7 @@
             "comment": "Prevent decorators from running if arguments are errors."
           },
           {
-            "comment": "Handle unknown identfier/error types used in spread operator."
+            "comment": "Handle unknown identifier/error types used in spread operator."
           },
           {
             "comment": "Add parent .model to ModelTypeProperty"
@@ -687,7 +687,7 @@
             "comment": "Fix error with file ending with mutline comment"
           },
           {
-            "comment": "**Fix** issue when loading cadl using a different casing than the actual casing in a case insenstivie file system"
+            "comment": "**Fix** issue when loading cadl using a different casing than the actual casing in a case insensitive file system"
           },
           {
             "comment": "Add @friendlyName decorator to customize model names for emitters"
@@ -713,7 +713,7 @@
             "comment": "Add @error decorator in core"
           },
           {
-            "comment": "**Added** --emit flag to configure the emitter(s) to use and seperate library imports from emitters"
+            "comment": "**Added** --emit flag to configure the emitter(s) to use and separate library imports from emitters"
           },
           {
             "comment": "Add directory manipulation to CompilerHost"
@@ -769,7 +769,7 @@
             "comment": "**Formatter** fix issues with empty model and interface with comments being moved outside."
           },
           {
-            "comment": "**Formatter** fix crash when having a comment in anynoymous empty model."
+            "comment": "**Formatter** fix crash when having a comment in anonymous empty model."
           },
           {
             "comment": "**Formatter** fix crash when using multi-line comment without each line starting with `*`."
@@ -778,7 +778,7 @@
             "comment": "**Formatter** Tweak formatting of interface mixes that overflow."
           },
           {
-            "comment": "**Formatter** Keep single value decroator inline."
+            "comment": "**Formatter** Keep single value decorator inline."
           },
           {
             "comment": "**Formatter** Keep empty line seperation in interface similar to namespace (Only keeps 1 max between operation)."
@@ -1057,7 +1057,7 @@
       "comments": {
         "patch": [
           {
-            "comment": "Add support for discovering updatabale properties using visibility"
+            "comment": "Add support for discovering updatable properties using visibility"
           },
           {
             "comment": "Fix error in `cadl vs uninstall` command"
@@ -1290,7 +1290,7 @@
             "comment": "Fix issue where dynamic namespaces were not evaluated"
           },
           {
-            "comment": "Virtualize writting to filesytem to enable programtic usage of adl"
+            "comment": "Virtualize writting to filesystem to enable programtic usage of adl"
           }
         ],
         "minor": [
diff --git a/packages/compiler/CHANGELOG.md b/packages/compiler/CHANGELOG.md
index f1c6341f0..8b9546863 100644
--- a/packages/compiler/CHANGELOG.md
+++ b/packages/compiler/CHANGELOG.md
@@ -62,7 +62,7 @@ Thu, 11 Aug 2022 19:05:23 GMT
 - Fix: Allow omiting optional properties
 - Improve `cloneType` implementation to duplicate decorator lists correctly
 - Add DefaultKeyVisibility<T, Visibility> and @withDefaultKeyVisibility to assign a default visibility value to model @key properties in specific operation signatures
-- Fix: Referencing previous template parameter in template parameter defaul
+- Fix: Referencing previous template parameter in template parameter default
 - Fix bug in finding effective type
 - Fix issue with required parentheses being dropped with union, intersection and array expressions
 - Fix issue with formatting multi line tuple adding trailing comma.
@@ -72,7 +72,7 @@ Thu, 11 Aug 2022 19:05:23 GMT
 - Fix issue with projection of nested namespace passing partial projected element to decorators
 - Fix: Operation signature with circular reference causing crash and updated message+code to be relevant to operations.
 - Fix: Couldn't use operation defined inside interfaces as signature.
-- Fix uninitialzed parent namespaces in projections
+- Fix uninitialized parent namespaces in projections
 - Run projections on types returned from getEffectiveType
 - Fix: Issue with Nested namespace in projection causing versioning library to fail when Service is using nested namespace
 - Internal: union variant type has reference to parent union.
@@ -106,7 +106,7 @@ Mon, 13 Jun 2022 23:42:28 GMT
 ### Minor changes
 
 - Improve error message when loading library with invalid `main` file
-- Added new decorator signatgure validation helper
+- Added new decorator signature validation helper
 - Allow empty tuples
 - Add helper functions to work with diagnostics in accessor functions
 - Add diagnostics target to decorator context
@@ -182,7 +182,7 @@ Thu, 31 Mar 2022 17:10:49 GMT
 - Add new helper `cadlTypeToJson` to convert cadl type to a Json serializable type
 - Add helper methods to detect `void` and `never` types
 - Prevent decorators from running if arguments are errors.
-- Handle unknown identfier/error types used in spread operator.
+- Handle unknown identifier/error types used in spread operator.
 - Add parent .model to ModelTypeProperty
 - Add validation that template params cannot use latter params as default
 
@@ -193,7 +193,7 @@ Thu, 31 Mar 2022 17:10:49 GMT
 - Fix formatting of comment between decorator and statement
 - Fix resolving location for diagnostic in js files
 - Fix formatting of comment between decorator and property
-- Fix using `&` with tempalte parameters
+- Fix using `&` with template parameters
 - Support browser builds
 - Fix issues with mishandled promises
 - Fix cascade of error when having unexpected token in directive
@@ -258,7 +258,7 @@ Fri, 04 Feb 2022 18:00:18 GMT
 
 - Validate for `@doc` decorator argument is a string
 - Add @error decorator in core
-- **Added** --emit flag to configure the emitter(s) to use and seperate library imports from emitters
+- **Added** --emit flag to configure the emitter(s) to use and separate library imports from emitters
 - Add directory manipulation to CompilerHost
 - Update to syntax tree to be readonly
 - Formatter: Separate Enum members with decorator with new lines
@@ -274,7 +274,7 @@ Fri, 04 Feb 2022 18:00:18 GMT
 - **Fix** Diagnostic location for invalid use of templated models
 - Fix path normalization issue that caused diagnostics from language server to be dropped.
 - Fix error with file ending with mutline comment
-- **Fix** issue when loading cadl using a different casing than the actual casing in a case insenstivie file system
+- **Fix** issue when loading cadl using a different casing than the actual casing in a case insensitive file system
 - Add @friendlyName decorator to customize model names for emitters
 - Fix issue where identifiers could be confused with keywords when they had common endings.
 - Renaming @format decorator to @pattern.
@@ -299,10 +299,10 @@ Thu, 16 Dec 2021 08:02:20 GMT
 - **Fix** Circular reference in `alias` now emit a diagnostic instead of crashing
 - **Fix** Circular reference between template model and non template model causing unresolved types issues.
 - **Formatter** fix issues with empty model and interface with comments being moved outside.
-- **Formatter** fix crash when having a comment in anynoymous empty model.
+- **Formatter** fix crash when having a comment in anonymous empty model.
 - **Formatter** fix crash when using multi-line comment without each line starting with `*`.
 - **Formatter** Tweak formatting of interface mixes that overflow.
-- **Formatter** Keep single value decroator inline.
+- **Formatter** Keep single value decorator inline.
 - **Formatter** Keep empty line seperation in interface similar to namespace (Only keeps 1 max between operation).
 - Add support for `interface` as a `@tag` decorator target
 - Reintroduce @list decorator to assist with collection operations
@@ -437,7 +437,7 @@ Fri, 13 Aug 2021 19:10:21 GMT
 
 ### Patches
 
-- Add support for discovering updatabale properties using visibility
+- Add support for discovering updatable properties using visibility
 - Fix error in `cadl vs uninstall` command
 
 ## 0.17.0
@@ -558,7 +558,7 @@ Tue, 20 Apr 2021 15:23:29 GMT
 ### Patches
 
 - Fix issue where dynamic namespaces were not evaluated
-- Virtualize writting to filesytem to enable programtic usage of adl
+- Virtualize writting to filesystem to enable programtic usage of adl
 
 ## 0.8.0
 Tue, 06 Apr 2021 01:23:07 GMT
diff --git a/packages/compiler/core/checker.ts b/packages/compiler/core/checker.ts
index 2045f1ee3..22458dde4 100644
--- a/packages/compiler/core/checker.ts
+++ b/packages/compiler/core/checker.ts
@@ -163,7 +163,7 @@ export interface Checker {
    * Check if the source type can be assigned to the target type.
    * @param source Source type, should be assignable to the target.
    * @param target Target type
-   * @param diagnosticTarget Target for the diagnostic, unless something better can be inffered.
+   * @param diagnosticTarget Target for the diagnostic, unless something better can be inferred.
    * @returns [related, list of diagnostics]
    */
   isTypeAssignableTo(
@@ -3682,7 +3682,7 @@ export function createChecker(program: Program): Checker {
    * Check if the source type can be assigned to the target type and emit diagnostics
    * @param source Source type
    * @param target Target type
-   * @param diagnosticTarget Target for the diagnostic, unless something better can be inffered.
+   * @param diagnosticTarget Target for the diagnostic, unless something better can be inferred.
    */
   function checkTypeAssignable(
     source: Type,
@@ -3700,7 +3700,7 @@ export function createChecker(program: Program): Checker {
    * Check if the source type can be assigned to the target type.
    * @param source Source type
    * @param target Target type
-   * @param diagnosticTarget Target for the diagnostic, unless something better can be inffered.
+   * @param diagnosticTarget Target for the diagnostic, unless something better can be inferred.
    */
   function isTypeAssignableTo(
     source: Type,
@@ -3790,7 +3790,7 @@ export function createChecker(program: Program): Checker {
 
   function isNumericLiteralRelatedTo(
     source: NumericLiteral,
-    targetInstrinsicType:
+    targetIntrinsicType:
       | "int64"
       | "int32"
       | "int16"
@@ -3806,12 +3806,12 @@ export function createChecker(program: Program): Checker {
       | "integer"
       | "float"
   ) {
-    if (targetInstrinsicType === "numeric") return true;
+    if (targetIntrinsicType === "numeric") return true;
     const isInt = Number.isInteger(source.value);
-    if (targetInstrinsicType === "integer") return isInt;
-    if (targetInstrinsicType === "float") return true;
+    if (targetIntrinsicType === "integer") return isInt;
+    if (targetIntrinsicType === "float") return true;
 
-    const [low, high, options] = numericRanges[targetInstrinsicType];
+    const [low, high, options] = numericRanges[targetIntrinsicType];
     return source.value >= low && source.value <= high && (!options.int || isInt);
   }
 
@@ -3893,7 +3893,7 @@ export function createChecker(program: Program): Checker {
   /**
    * @param constraintType Type of the constraints(All properties must have this type).
    * @param type Type of the model that should be respecting the constraint.
-   * @param diagnosticTarget Diagnostic target unless something better can be inffered.
+   * @param diagnosticTarget Diagnostic target unless something better can be inferred.
    */
   function isIndexConstraintValid(
     constraintType: Type,
diff --git a/packages/compiler/core/cli.ts b/packages/compiler/core/cli.ts
index 7c7976a90..ac177a692 100644
--- a/packages/compiler/core/cli.ts
+++ b/packages/compiler/core/cli.ts
@@ -414,7 +414,7 @@ function resolveEmitters(
   options: Record<string | "miscOptions", Record<string, unknown>>,
   args: CompileCliArgs
 ): Record<string, Record<string, unknown> | boolean> {
-  const emitters = resovleSelectedEmittersFromConfig(config, args.emit);
+  const emitters = resolveSelectedEmittersFromConfig(config, args.emit);
 
   const configuredEmitters: Record<string, Record<string, unknown> | boolean> = {};
 
@@ -434,7 +434,7 @@ function resolveEmitters(
   return configuredEmitters;
 }
 
-function resovleSelectedEmittersFromConfig(
+function resolveSelectedEmittersFromConfig(
   config: CadlConfig,
   selectedEmitters: string[] | undefined
 ): Record<string, Record<string, unknown> | boolean> {
diff --git a/packages/compiler/core/diagnostics.ts b/packages/compiler/core/diagnostics.ts
index bcc07b3cc..89351fb74 100644
--- a/packages/compiler/core/diagnostics.ts
+++ b/packages/compiler/core/diagnostics.ts
@@ -396,7 +396,7 @@ export interface DiagnosticCollector {
   /**
    * Wrap the given value in a tuple including the diagnostics following the Cadl accessor pattern.
    * @param value Accessor value to return
-   * @exmaple return diagnostics.wrap(routes);
+   * @example return diagnostics.wrap(routes);
    */
   wrap<T>(value: T): DiagnosticResult<T>;
 }
diff --git a/packages/compiler/core/library.ts b/packages/compiler/core/library.ts
index 20557a840..5b296637c 100644
--- a/packages/compiler/core/library.ts
+++ b/packages/compiler/core/library.ts
@@ -16,7 +16,7 @@ if ((globalThis as any)[globalLibraryUrlsLoadedSym] === undefined) {
 const loadedUrls = (globalThis as any)[globalLibraryUrlsLoadedSym];
 
 /**
- * @internal List of urls that used `createCadlLibary`. Used to keep track of the loaded version of library and make sure they are compatible.
+ * @internal List of urls that used `createCadlLibrary`. Used to keep track of the loaded version of library and make sure they are compatible.
  */
 export function getLibraryUrlsLoaded(): Set<string> {
   return loadedUrls;
diff --git a/packages/compiler/core/parser.ts b/packages/compiler/core/parser.ts
index 5783f0d85..54170bbe0 100644
--- a/packages/compiler/core/parser.ts
+++ b/packages/compiler/core/parser.ts
@@ -1968,9 +1968,9 @@ export function parse(code: string | SourceFile, options: ParseOptions = {}): Ca
         // reach the close token.
         break;
       } else if (atEndOfListWithError(kind)) {
-        // Error recovery: If a list *is* surrounded by punctionation, then
+        // Error recovery: If a list *is* surrounded by punctuation, then
         // the list ends at statement keyword or end-of-file under the
-        // assumption that the closing delimter is missing. This check is
+        // assumption that the closing delimiter is missing. This check is
         // duplicated from above to preempt the parseExpected(delimeter)
         // below.
         parseExpected(kind.close);
diff --git a/packages/compiler/core/program.ts b/packages/compiler/core/program.ts
index 0bf30533f..18c8c9cce 100644
--- a/packages/compiler/core/program.ts
+++ b/packages/compiler/core/program.ts
@@ -705,7 +705,7 @@ export async function createProgram(
 
   /**
    * Resolve the path to the main file
-   * @param path path to the entrypoint of the program. Can be the main.cadl, folder containg main.cadl or a project/library root.
+   * @param path path to the entrypoint of the program. Can be the main.cadl, folder containing main.cadl or a project/library root.
    * @returns Absolute path to the entrypoint.
    */
   async function resolveCadlEntrypoint(path: string): Promise<string | undefined> {
diff --git a/packages/compiler/core/projection-members.ts b/packages/compiler/core/projection-members.ts
index dc9ea789b..42090748b 100644
--- a/packages/compiler/core/projection-members.ts
+++ b/packages/compiler/core/projection-members.ts
@@ -144,7 +144,7 @@ export function createProjectionMembers(checker: Checker): {
       renameVariant(base) {
         return createFunctionType((oldNameT: Type, newNameT: Type) => {
           assertType("old variant name", oldNameT, "String");
-          assertType("new vaariant name", newNameT, "String");
+          assertType("new variant name", newNameT, "String");
           const oldName = oldNameT.value;
           const newName = newNameT.value;
 
diff --git a/packages/compiler/core/scanner.ts b/packages/compiler/core/scanner.ts
index c31e12e0d..1ee3773a0 100644
--- a/packages/compiler/core/scanner.ts
+++ b/packages/compiler/core/scanner.ts
@@ -775,7 +775,7 @@ export function createScanner(
       if (pos < end) {
         if (isCrlf(pos, start, end)) {
           // CRLF in multi-line string is normalized to LF in string value.
-          // This keeps program behavior unchanged by line-eding conversion.
+          // This keeps program behavior unchanged by line-ending conversion.
           result += input.substring(start, pos);
           result += "\n";
           pos += 2;
diff --git a/packages/compiler/core/types.ts b/packages/compiler/core/types.ts
index 6bf843498..4ab6a1de6 100644
--- a/packages/compiler/core/types.ts
+++ b/packages/compiler/core/types.ts
@@ -1190,7 +1190,7 @@ export interface SourceFile {
    *
    * This is used only for diagnostics. The command line compiler will populate
    * it with the actual path from which the file was read, but it can actually
-   * be an aribitrary name for other scenarios.
+   * be an arbitrary name for other scenarios.
    */
   readonly path: string;
 
@@ -1505,7 +1505,7 @@ export interface DecoratorContext {
   /**
    * Helper to call out to another decorator
    * @param decorator Other decorator function
-   * @param args Args to pass to other decorator funciton
+   * @param args Args to pass to other decorator function
    */
   call<T extends Type, A extends any[], R>(
     decorator: (context: DecoratorContext, target: T, ...args: A) => R,
diff --git a/packages/compiler/formatter/print/printer.ts b/packages/compiler/formatter/print/printer.ts
index 2543e76d4..322bfb0b4 100644
--- a/packages/compiler/formatter/print/printer.ts
+++ b/packages/compiler/formatter/print/printer.ts
@@ -89,7 +89,7 @@ export function printCadl(
   if (node.kind === SyntaxKind.CadlScript) {
     // For CadlScript(root of cadl document) we had a new line at the end.
     // This must be done here so the hardline entry can be the last item of the doc array returned by the printer
-    // so the markdown(and other embeded formatter) can omit that extra line.
+    // so the markdown(and other embedded formatter) can omit that extra line.
     parts.push(hardline);
   }
   return parts;
diff --git a/packages/compiler/init/init.ts b/packages/compiler/init/init.ts
index afbf478d4..76ec967fb 100644
--- a/packages/compiler/init/init.ts
+++ b/packages/compiler/init/init.ts
@@ -13,7 +13,7 @@ import { InitTemplate, InitTemplateDefinitionsSchema, InitTemplateFile } from ".
 
 interface ScaffoldingConfig extends InitTemplate {
   /**
-   * Path where this template was laoded from.
+   * Path where this template was loaded from.
    */
   templateUri: string;
 
diff --git a/packages/compiler/lib/decorators.ts b/packages/compiler/lib/decorators.ts
index 0ef21e767..0fd5efbdd 100644
--- a/packages/compiler/lib/decorators.ts
+++ b/packages/compiler/lib/decorators.ts
@@ -193,7 +193,7 @@ export function $numeric(context: DecoratorContext, target: Type) {
     program.reportDiagnostic(
       createDiagnostic({
         code: "decorator-wrong-target",
-        format: { decorator: "@numeric", to: "non-instrinsic type" },
+        format: { decorator: "@numeric", to: "non-intrinsic type" },
         target,
       })
     );
diff --git a/packages/compiler/server/tmlanguage.ts b/packages/compiler/server/tmlanguage.ts
index 580ff95ef..f8f7b2af6 100644
--- a/packages/compiler/server/tmlanguage.ts
+++ b/packages/compiler/server/tmlanguage.ts
@@ -46,6 +46,7 @@ export type CadlScope =
 
 const meta: typeof tm.meta = tm.meta;
 const identifierStart = "[_$[:alpha:]]";
+// cspell:disable-next-line
 const identifierContinue = "[_$[:alnum:]]";
 const beforeIdentifier = `(?=${identifierStart})`;
 const identifier = `\\b${identifierStart}${identifierContinue}*\\b`;
diff --git a/packages/compiler/test/checker/enum.test.ts b/packages/compiler/test/checker/enum.test.ts
index 278bde14e..c73c367fa 100644
--- a/packages/compiler/test/checker/enum.test.ts
+++ b/packages/compiler/test/checker/enum.test.ts
@@ -121,7 +121,7 @@ describe("compiler: enums", () => {
   });
 
   // Issue here was the same EnumType was create twice for each decorator on different namespaces causing equality issues when comparing the enum or enum member
-  it("enums can be refernced from decorator on namespace", async () => {
+  it("enums can be referenced from decorator on namespace", async () => {
     let refViaMyService: Enum | undefined;
     let refViaMyLib: Enum | undefined;
     testHost.addJsFile("lib.js", {
diff --git a/packages/compiler/test/checker/model.test.ts b/packages/compiler/test/checker/model.test.ts
index 2e66da9e3..31cc921db 100644
--- a/packages/compiler/test/checker/model.test.ts
+++ b/packages/compiler/test/checker/model.test.ts
@@ -149,7 +149,7 @@ describe("compiler: models", () => {
     }
   });
 
-  it(`doesn't emit unsuported-default diagnostic when type is an error`, async () => {
+  it(`doesn't emit unsupported-default diagnostic when type is an error`, async () => {
     testHost.addCadlFile(
       "main.cadl",
       `
@@ -237,7 +237,7 @@ describe("compiler: models", () => {
       match(diagnostics[0].message, /Model has an inherited property/);
     });
 
-    it("keeps reference of childrens", async () => {
+    it("keeps reference of children", async () => {
       testHost.addCadlFile(
         "main.cadl",
         `
@@ -265,7 +265,7 @@ describe("compiler: models", () => {
       strictEqual(Pet.derivedModels[1], Dog);
     });
 
-    it("keeps reference of childrens with templates", async () => {
+    it("keeps reference of children with templates", async () => {
       testHost.addCadlFile(
         "main.cadl",
         `
@@ -362,7 +362,7 @@ describe("compiler: models", () => {
       );
     });
 
-    it("emit error when extends ciruclar reference", async () => {
+    it("emit error when extends circular reference", async () => {
       testHost.addCadlFile(
         "main.cadl",
         `
@@ -548,7 +548,7 @@ describe("compiler: models", () => {
       );
     });
 
-    it("emit single error when is itself as a templated with mutliple instantiations", async () => {
+    it("emit single error when is itself as a templated with multiple instantiations", async () => {
       testHost.addCadlFile(
         "main.cadl",
         `
diff --git a/packages/compiler/test/checker/relation.test.ts b/packages/compiler/test/checker/relation.test.ts
index 981a4a373..0a2ff2beb 100644
--- a/packages/compiler/test/checker/relation.test.ts
+++ b/packages/compiler/test/checker/relation.test.ts
@@ -169,7 +169,7 @@ describe("compiler: checker: type relations", () => {
       await expectTypeAssignable({ source: `"foo"`, target: "string" });
     });
 
-    it("emit diagnostic when assigning numericl literal", async () => {
+    it("emit diagnostic when assigning numeric literal", async () => {
       await expectTypeNotAssignable(
         { source: "123", target: "string" },
         {
@@ -452,7 +452,7 @@ describe("compiler: checker: type relations", () => {
       await expectTypeAssignable({ source: "{}", target: "object" });
     });
 
-    it("can assign object with proprety", async () => {
+    it("can assign object with property", async () => {
       await expectTypeAssignable({ source: "{foo: string}", target: "object" });
     });
 
@@ -577,7 +577,7 @@ describe("compiler: checker: type relations", () => {
         target: "Aging",
         commonCode: `
           model Pet { name: string; age: int32 }
-          model Cat extends Pet { moew: boolean }
+          model Cat extends Pet { meow: boolean }
 
           model Aging { age: int32 }
         `,
@@ -700,7 +700,7 @@ describe("compiler: checker: type relations", () => {
       });
     });
 
-    it("can a memeber of the enum", async () => {
+    it("can a member of the enum", async () => {
       await expectTypeAssignable({
         source: "Foo.a",
         target: "Foo",
diff --git a/packages/compiler/test/checker/spread.test.ts b/packages/compiler/test/checker/spread.test.ts
index a89029ba3..1b08c0e9e 100644
--- a/packages/compiler/test/checker/spread.test.ts
+++ b/packages/compiler/test/checker/spread.test.ts
@@ -38,7 +38,7 @@ describe("compiler: spread", () => {
     }
   });
 
-  it("doesn't emit additional diagnostic if spread reference is unknown-identitfier", async () => {
+  it("doesn't emit additional diagnostic if spread reference is unknown-identifier", async () => {
     const diagnostics = await runner.diagnose(`
       model Foo {
         ...NotDefined
diff --git a/packages/compiler/test/checker/using.test.ts b/packages/compiler/test/checker/using.test.ts
index decf9bddc..e247969f2 100644
--- a/packages/compiler/test/checker/using.test.ts
+++ b/packages/compiler/test/checker/using.test.ts
@@ -241,7 +241,7 @@ describe("compiler: using statements", () => {
     ]);
   });
 
-  it("ambigous use doesn't affect other files", async () => {
+  it("ambiguous use doesn't affect other files", async () => {
     testHost.addCadlFile(
       "main.cadl",
       `
@@ -278,7 +278,7 @@ describe("compiler: using statements", () => {
       `
       using N;
 
-      model NotAmiguous extends A {}
+      model NotAmbiguous extends A {}
       `
     );
     const diagnostics = await testHost.diagnose("./");
diff --git a/packages/compiler/test/formatter/formatter.test.ts b/packages/compiler/test/formatter/formatter.test.ts
index 1e9f3ae44..ad8446eb9 100644
--- a/packages/compiler/test/formatter/formatter.test.ts
+++ b/packages/compiler/test/formatter/formatter.test.ts
@@ -288,7 +288,7 @@ model Foo {
       });
     });
 
-    it("remove unncessary quotes", () => {
+    it("remove unnecessary quotes", () => {
       assertFormat({
         code: `
 model Foo {
@@ -406,7 +406,7 @@ model Foo {
       });
     });
 
-    it("format empty anynymous model with comment inside", () => {
+    it("format empty anonymous model with comment inside", () => {
       assertFormat({
         code: `
 model Foo {
@@ -524,7 +524,7 @@ model Bar {}
       });
     });
 
-    it("comment preceeding decorators hug decorators", () => {
+    it("comment preceding decorators hug decorators", () => {
       assertFormat({
         code: `
         // comment
@@ -665,7 +665,7 @@ alias Bar = One & Two;
       });
     });
 
-    it("format intersection of anoymous models", () => {
+    it("format intersection of anonymous models", () => {
       assertFormat({
         code: `
 alias     Foo   = { foo: string }       &   {bar: string};
@@ -745,7 +745,7 @@ enum Bar {
       });
     });
 
-    it("seperate members if there is decorators", () => {
+    it("separate members if there is decorators", () => {
       assertFormat({
         code: `
 enum      Foo       {   
@@ -1209,7 +1209,7 @@ model Foo<T extends string, K extends {foo: int32}> {}`,
       });
     });
 
-    it("format parameter declarations with constraints and defauls", () => {
+    it("format parameter declarations with constraints and defaults", () => {
       assertFormat({
         code: `
 model Foo<T       extends    string =      
@@ -1585,7 +1585,7 @@ projection model#proj {
     });
   });
 
-  describe("when embeded", () => {
+  describe("when embedded", () => {
     it("doesn't include blank line at the end (in markdown)", () => {
       assertFormat({
         parser: "markdown",
diff --git a/packages/compiler/test/parser.test.ts b/packages/compiler/test/parser.test.ts
index 6121f8e2b..fb1b0f22f 100644
--- a/packages/compiler/test/parser.test.ts
+++ b/packages/compiler/test/parser.test.ts
@@ -33,7 +33,7 @@ describe("compiler: syntax", () => {
 
       `model Car {
          optional?: number;
-         withDefault?: string = "mydefault";
+         withDefault?: string = "my-default";
        };`,
 
       `model Car {
@@ -311,11 +311,14 @@ describe("compiler: syntax", () => {
   });
 
   describe("BOM", () => {
+    // cspell:disable-next-line
     parseEach(["\u{FEFF}/*<--BOM*/ model M {}"]);
+    // cspell:disable-next-line
     parseErrorEach([["model\u{FEFF}/*<--BOM*/ M {}", [/Statement expected/]]]);
   });
 
   describe("unterminated tokens", () => {
+    // cspell:disable-next-line
     parseErrorEach([["/* Yada yada yada", [/Unterminated multi-line comment/]]]);
 
     const strings = [
@@ -416,6 +419,7 @@ describe("compiler: syntax", () => {
   });
 
   describe("identifiers", () => {
+    // cspell:disable
     const good = [
       "short",
       "short42",
@@ -461,6 +465,7 @@ describe("compiler: syntax", () => {
       ["42", /Identifier expected/],
       ["true", /Keyword cannot be used as identifier/],
     ];
+    // cspell:enable
 
     parseEach(
       good.map((entry) => {
diff --git a/packages/compiler/test/projected-names.test.ts b/packages/compiler/test/projected-names.test.ts
index d465c8d8a..1a11da619 100644
--- a/packages/compiler/test/projected-names.test.ts
+++ b/packages/compiler/test/projected-names.test.ts
@@ -9,7 +9,7 @@ describe("compiler: projected-names", () => {
     runner = await createTestRunner();
   });
 
-  it("@projectName updates the name when runnning projection", async () => {
+  it("@projectName updates the name when running projection", async () => {
     const { expireAt } = (await runner.compile(`
       model Foo {
         @projectedName("json", "exp")
diff --git a/packages/compiler/test/scanner.test.ts b/packages/compiler/test/scanner.test.ts
index 9f8569e1f..d0434aa51 100644
--- a/packages/compiler/test/scanner.test.ts
+++ b/packages/compiler/test/scanner.test.ts
@@ -423,12 +423,13 @@ describe("compiler: scanner", () => {
         `U+${codePoint.toString(16)} should be allowed to continue identifier.`
       );
     }
-
+    // cspell:disable-next-line
     assert(isIdentifierContinue(0x200c), "U+200C (ZWNJ) should be allowed to continue identifier.");
     assert(isIdentifierContinue(0x200d), "U+200D (ZWJ) should be allowed to continue identifier.");
   });
 
   describe("keyword collision", () => {
+    // cspell:disable-next-line
     for (const identifier of ["outerface", "famespace", "notanamespace", "notaninterface"]) {
       it(`does not think ${identifier} is a keyword`, () => {
         const [[token]] = tokens(identifier);
diff --git a/packages/compiler/test/server/completion.test.ts b/packages/compiler/test/server/completion.test.ts
index 893a820ba..61662380d 100644
--- a/packages/compiler/test/server/completion.test.ts
+++ b/packages/compiler/test/server/completion.test.ts
@@ -8,6 +8,8 @@ import {
 } from "vscode-languageserver/node.js";
 import { createTestServerHost, extractCursor } from "../../testing/test-server-host.js";
 
+// cspell:ignore 𐌰𐌲
+
 describe("compiler: server: completion", () => {
   it("completes globals", async () => {
     const completions = await complete(
@@ -38,7 +40,7 @@ describe("compiler: server: completion", () => {
       "test/package.json": JSON.stringify({
         dependencies: {
           "@cadl-lang/library1": "~0.1.0",
-          noncadllibrary: "~0.1.0",
+          "non-cadl-library": "~0.1.0",
         },
         peerDependencies: {
           "@cadl-lang/library2": "~0.1.0",
@@ -47,7 +49,7 @@ describe("compiler: server: completion", () => {
       "test/node_modules/@cadl-lang/library1/package.json": JSON.stringify({
         cadlMain: "./foo.js",
       }),
-      "test/node_modules/noncadllibrary/package.json": JSON.stringify({}),
+      "test/node_modules/non-cadl-library/package.json": JSON.stringify({}),
       "test/node_modules/@cadl-lang/library2/package.json": JSON.stringify({
         cadlMain: "./foo.js",
       }),
diff --git a/packages/compiler/test/server/reuse.test.ts b/packages/compiler/test/server/reuse.test.ts
index a88637285..7821984ba 100644
--- a/packages/compiler/test/server/reuse.test.ts
+++ b/packages/compiler/test/server/reuse.test.ts
@@ -8,7 +8,7 @@ import {
 } from "../../testing/index.js";
 
 describe("server: reuse", () => {
-  it("reuses uchanged programs", async () => {
+  it("reuses unchanged programs", async () => {
     const host = await createTestServerHost();
     const document = host.addOrUpdateDocument("main.cadl", "model M  {}");
     const oldProgram = await host.server.compile(document);
diff --git a/packages/eslint-config-cadl/CHANGELOG.json b/packages/eslint-config-cadl/CHANGELOG.json
index b19a7466a..545da205f 100644
--- a/packages/eslint-config-cadl/CHANGELOG.json
+++ b/packages/eslint-config-cadl/CHANGELOG.json
@@ -8,7 +8,7 @@
       "comments": {
         "patch": [
           {
-            "comment": "Add warning when using `.only` to remmeber to remove before pushing"
+            "comment": "Add warning when using `.only` to remember to remove before pushing"
           }
         ]
       }
diff --git a/packages/internal-build-utils/package.json b/packages/internal-build-utils/package.json
index b60c341fc..ee234542f 100644
--- a/packages/internal-build-utils/package.json
+++ b/packages/internal-build-utils/package.json
@@ -40,7 +40,8 @@
   ],
   "dependencies": {
     "yargs": "~17.3.1",
-    "strip-json-comments": "~4.0.0"
+    "strip-json-comments": "~4.0.0",
+    "cspell": "~6.8.1"
   },
   "devDependencies": {
     "@types/mocha": "~9.1.0",
diff --git a/packages/openapi/README.md b/packages/openapi/README.md
index a4179520b..ffa85456f 100644
--- a/packages/openapi/README.md
+++ b/packages/openapi/README.md
@@ -42,7 +42,7 @@ op foo(): MyNonErrorResponse;
 
 ### `@extension`
 
-This decorator lets you sepecify custom key(starting with `x-`) value pair that will be added to the OpenAPI document.
+This decorator lets you specify custom key(starting with `x-`) value pair that will be added to the OpenAPI document.
 [OpenAPI reference on extensions](https://swagger.io/docs/specification/openapi-extensions/)
 
 Arguments:
@@ -69,7 +69,7 @@ model Foo {}
 ### `@externalDocs`
 
 Decorator that can be used to provide the `externalDocs` property on OpenAPI elements.
-[OpenAPI spec for extenalDocs](https://swagger.io/specification/#external-documentation-object)
+[OpenAPI spec for externalDocs](https://swagger.io/specification/#external-documentation-object)
 
 Arguments:
 
diff --git a/packages/openapi/src/decorators.ts b/packages/openapi/src/decorators.ts
index 9e61fb487..2cbe9953c 100644
--- a/packages/openapi/src/decorators.ts
+++ b/packages/openapi/src/decorators.ts
@@ -21,7 +21,7 @@ const operationIdDecorator = createDecoratorDefinition({
   args: [{ kind: "String" }],
 } as const);
 /**
- * Set a sepecific operation ID.
+ * Set a specific operation ID.
  * @param context Decorator Context
  * @param entity Decorator target
  * @param opId Operation ID.
diff --git a/packages/openapi/src/helpers.ts b/packages/openapi/src/helpers.ts
index 2a83bbd2d..45bcf3029 100644
--- a/packages/openapi/src/helpers.ts
+++ b/packages/openapi/src/helpers.ts
@@ -74,16 +74,16 @@ export function getTypeName(
  */
 export function getParameterKey(
   program: Program,
-  propery: ModelProperty,
+  property: ModelProperty,
   newParam: unknown,
   existingParams: Record<string, unknown>,
   options: TypeNameOptions
 ): string {
-  const parent = propery.model!;
+  const parent = property.model!;
   let key = getTypeName(program, parent, options);
 
   if (parent.properties.size > 1) {
-    key += `.${propery.name}`;
+    key += `.${property.name}`;
   }
 
   // JSON check is workaround for https://github.com/microsoft/cadl/issues/462
@@ -94,7 +94,7 @@ export function getParameterKey(
       format: {
         value: key,
       },
-      target: propery,
+      target: property,
     });
   }
 
@@ -105,7 +105,7 @@ export function getParameterKey(
  * Resolve the OpenAPI operation ID for the given operation using the following logic:
  * - If @operationId was specified use that value
  * - If operation is defined at the root or under the service namespace return <operation.name>
- * - Otherwise(operation is under another namespace or interface) return <namespace/interface.name>_<opration.name>
+ * - Otherwise(operation is under another namespace or interface) return <namespace/interface.name>_<operation.name>
  *
  * @param program Cadl Program
  * @param operation Operation
diff --git a/packages/openapi/test/helpers.test.ts b/packages/openapi/test/helpers.test.ts
index 34b6f29ed..d2269fb47 100644
--- a/packages/openapi/test/helpers.test.ts
+++ b/packages/openapi/test/helpers.test.ts
@@ -30,7 +30,7 @@ describe("OpenAPI3 Helpers", () => {
       strictEqual(id, "foo");
     });
 
-    it("return group name and operaiton name if operation is defined under interface", async () => {
+    it("return group name and operation name if operation is defined under interface", async () => {
       const id = await testResolveOperationId(`
         interface Bar {
           @test op foo(): string;
diff --git a/packages/openapi3/CHANGELOG.json b/packages/openapi3/CHANGELOG.json
index 66a339bb5..7e621e902 100644
--- a/packages/openapi3/CHANGELOG.json
+++ b/packages/openapi3/CHANGELOG.json
@@ -580,7 +580,7 @@
             "comment": "Uptake changes in @cadl-lang/rest library improving operation parameter handling"
           },
           {
-            "comment": "Update cadl depdendencies to peerDependencies"
+            "comment": "Update cadl dependencies to peerDependencies"
           },
           {
             "comment": "Add support for versioned services"
diff --git a/packages/openapi3/CHANGELOG.md b/packages/openapi3/CHANGELOG.md
index 7db47cd43..f98ecf4f3 100644
--- a/packages/openapi3/CHANGELOG.md
+++ b/packages/openapi3/CHANGELOG.md
@@ -153,7 +153,7 @@ Fri, 04 Feb 2022 18:00:18 GMT
 - Internals: switch to internal path manipulation
 - Extracted decorators into own library `@cadl-lang/openapi`
 - Uptake changes in @cadl-lang/rest library improving operation parameter handling
-- Update cadl depdendencies to peerDependencies
+- Update cadl dependencies to peerDependencies
 - Add support for versioned services
 - Add statusCode decorator for http status code
 
diff --git a/packages/openapi3/src/lib.ts b/packages/openapi3/src/lib.ts
index 24da6c9ee..b63cfc9ed 100644
--- a/packages/openapi3/src/lib.ts
+++ b/packages/openapi3/src/lib.ts
@@ -10,7 +10,7 @@ export interface OpenAPI3EmitterOptions {
   "new-line"?: "crlf" | "lf";
 }
 
-const EmiterOptionsSchema: JSONSchemaType<OpenAPI3EmitterOptions> = {
+const EmitterOptionsSchema: JSONSchemaType<OpenAPI3EmitterOptions> = {
   type: "object",
   additionalProperties: false,
   properties: {
@@ -111,7 +111,7 @@ export const libDef = {
     },
   },
   emitter: {
-    options: EmiterOptionsSchema as JSONSchemaType<OpenAPI3EmitterOptions>,
+    options: EmitterOptionsSchema as JSONSchemaType<OpenAPI3EmitterOptions>,
   },
 } as const;
 
diff --git a/packages/openapi3/src/openapi.ts b/packages/openapi3/src/openapi.ts
index fd748d88f..12b2432fb 100644
--- a/packages/openapi3/src/openapi.ts
+++ b/packages/openapi3/src/openapi.ts
@@ -1031,7 +1031,7 @@ function createOAPIEmitter(program: Program, options: ResolvedOpenAPI3EmitterOpt
     childModels: readonly Model[]
   ): boolean {
     const { propertyName } = discriminator;
-    const retVals = childModels.map((t) => {
+    const retValues = childModels.map((t) => {
       const prop = getProperty(t, propertyName);
       if (!prop) {
         reportDiagnostic(program, { code: "discriminator", messageId: "missing", target: t });
@@ -1062,8 +1062,8 @@ function createOAPIEmitter(program: Program, options: ResolvedOpenAPI3EmitterOpt
         });
       }
       if (prop) {
-        const vals = getStringValues(prop.type);
-        vals.forEach((val) => {
+        const values = getStringValues(prop.type);
+        values.forEach((val) => {
           if (discriminatorValues.has(val)) {
             reportDiagnostic(program, {
               code: "discriminator",
@@ -1071,14 +1071,14 @@ function createOAPIEmitter(program: Program, options: ResolvedOpenAPI3EmitterOpt
               format: { val: val, model1: discriminatorValues.get(val)!, model2: t.name },
               target: prop,
             });
-            retVals.push(false);
+            retValues.push(false);
           } else {
             discriminatorValues.set(val, t.name);
           }
         });
       }
     }
-    return retVals.every((v) => v);
+    return retValues.every((v) => v);
   }
 
   function getDiscriminatorMapping(
diff --git a/packages/openapi3/test/models.test.ts b/packages/openapi3/test/models.test.ts
index 4fed19632..96fdd6fd9 100644
--- a/packages/openapi3/test/models.test.ts
+++ b/packages/openapi3/test/models.test.ts
@@ -260,7 +260,7 @@ describe("openapi3: models", () => {
     );
     ok(
       !("TParent_string" in res.components.schemas),
-      "Parent instantiated templated type shouldn't be includd in OpenAPI"
+      "Parent instantiated templated type shouldn't be included in OpenAPI"
     );
   });
 
diff --git a/packages/openapi3/test/parameters.test.ts b/packages/openapi3/test/parameters.test.ts
index 047c9ab3d..7bb384e85 100644
--- a/packages/openapi3/test/parameters.test.ts
+++ b/packages/openapi3/test/parameters.test.ts
@@ -18,10 +18,10 @@ describe("openapi3: parameters", () => {
   it("@doc set the description on the parameter not its schema", async () => {
     const res = await openApiFor(
       `
-      op test(@query @doc("mydoc") arg1: string): void;
+      op test(@query @doc("my-doc") arg1: string): void;
       `
     );
-    strictEqual(res.paths["/"].get.parameters[0].description, "mydoc");
+    strictEqual(res.paths["/"].get.parameters[0].description, "my-doc");
     strictEqual(res.paths["/"].get.parameters[0].schema.description, undefined);
   });
 
@@ -76,7 +76,7 @@ describe("openapi3: parameters", () => {
     strictEqual(oapi.components.parameters["Pet$Id"].name, "petId");
   });
 
-  it("inlines spread of parameters from anonymous model", async () => {
+  it("inline spread of parameters from anonymous model", async () => {
     const oapi = await openApiFor(
       `
       op template<TParameters, TReturn>(...TParameters): TReturn;
diff --git a/packages/playground/e2e/ui.e2e.ts b/packages/playground/e2e/ui.e2e.ts
index 5bec10ab5..2d82b5bad 100644
--- a/packages/playground/e2e/ui.e2e.ts
+++ b/packages/playground/e2e/ui.e2e.ts
@@ -13,6 +13,7 @@ test("compiled http sample", async ({ page }) => {
 
 test("shared link works", async ({ page }) => {
   // Pass code "op sharedCode(): string;"
+  // cspell:disable-next-line
   await page.goto(`${host}/?c=b3Agc2hhcmVkQ29kZSgpOiBzdHJpbmc7`);
   const outputContainer = page.locator(".output-content");
   await expect(outputContainer).toContainText(`"operationId": "sharedCode"`);
@@ -25,6 +26,7 @@ test("save code with ctrl/cmd+S", async ({ page }) => {
   await cadlEditorContainer.type("op sharedCode(): string;");
   await Promise.all([
     // It is important to call waitForNavigation before click to set up waiting.
+    // cspell:disable-next-line
     page.waitForNavigation({ url: `${host}/?c=b3Agc2hhcmVkQ29kZSgpOiBzdHJpbmc7` }),
     page.keyboard.press(`${ctrlOrCmd}+KeyS`),
   ]);
diff --git a/packages/playground/src/core.ts b/packages/playground/src/core.ts
index 78a9ac364..67a1bc4bb 100644
--- a/packages/playground/src/core.ts
+++ b/packages/playground/src/core.ts
@@ -5,7 +5,7 @@ export async function importCadlCompiler(): Promise<typeof import("@cadl-lang/co
 }
 
 /**
- * Dynamic imports with importmap unfotunately do not work on all browsers.
+ * Dynamic imports with importmap unfortunately do not work on all browsers.
  * Safari and Firefox lack support https://caniuse.com/import-maps.
  *
  * A polyfill for importmap is loaded but required calling importShim instead of the native import https://github.com/guybedford/es-module-shims
diff --git a/packages/prettier-plugin-cadl/rollup.config.js b/packages/prettier-plugin-cadl/rollup.config.js
index 8ef7dcc64..0df038158 100644
--- a/packages/prettier-plugin-cadl/rollup.config.js
+++ b/packages/prettier-plugin-cadl/rollup.config.js
@@ -18,7 +18,7 @@ export default defineConfig({
   external: ["fs/promises", "prettier"],
   treeshake: {
     // Ignore those 2 modules are they aren't used in the code needed for the formatter.
-    // Otherwise rollup think they have side effect and to include a lot of unncessary code in the bundle.
+    // Otherwise rollup think they have side effect and to include a lot of unnecessary code in the bundle.
     moduleSideEffects: ["ajv", "js-yaml"],
   },
   plugins: [
diff --git a/packages/rest/CHANGELOG.json b/packages/rest/CHANGELOG.json
index 9fd6d4a92..cd96b817b 100644
--- a/packages/rest/CHANGELOG.json
+++ b/packages/rest/CHANGELOG.json
@@ -394,19 +394,19 @@
             "comment": "Add support for discriminator decorator"
           },
           {
-            "comment": "Internals: switch to internal path manipulatio"
+            "comment": "Internals: switch to internal path manipulation"
           },
           {
             "comment": "Added shared logic to resolve http operation parameters and validate compatibility(duplicate bodies)"
           },
           {
-            "comment": "**Added** Validation for uniquness of operation by verb and path"
+            "comment": "**Added** Validation for uniqueness of operation by verb and path"
           },
           {
             "comment": "**Added** `@head` decorator to describe `head` http verb operation"
           },
           {
-            "comment": "Validate http verb decorators(`@get`, `@post`, etc.) do not recieve any argument"
+            "comment": "Validate http verb decorators(`@get`, `@post`, etc.) do not receive any argument"
           },
           {
             "comment": "Expose response template in Http library and refactor"
@@ -418,7 +418,7 @@
             "comment": "**Validate `@route` decorator is used only once"
           },
           {
-            "comment": "Update cadl depdendencies to peerDependencies"
+            "comment": "Update cadl dependencies to peerDependencies"
           }
         ],
         "dependency": [
@@ -588,7 +588,7 @@
       "comments": {
         "patch": [
           {
-            "comment": "Add isHeader functionality to discover if a proprty is a header property"
+            "comment": "Add isHeader functionality to discover if a property is a header property"
           }
         ],
         "dependency": [
diff --git a/packages/rest/CHANGELOG.md b/packages/rest/CHANGELOG.md
index 4a67d99dc..19670700a 100644
--- a/packages/rest/CHANGELOG.md
+++ b/packages/rest/CHANGELOG.md
@@ -138,15 +138,15 @@ Fri, 04 Feb 2022 18:00:18 GMT
 ### Minor changes
 
 - Add support for discriminator decorator
-- Internals: switch to internal path manipulatio
+- Internals: switch to internal path manipulation
 - Added shared logic to resolve http operation parameters and validate compatibility(duplicate bodies)
-- **Added** Validation for uniquness of operation by verb and path
+- **Added** Validation for uniqueness of operation by verb and path
 - **Added** `@head` decorator to describe `head` http verb operation
-- Validate http verb decorators(`@get`, `@post`, etc.) do not recieve any argument
+- Validate http verb decorators(`@get`, `@post`, etc.) do not receive any argument
 - Expose response template in Http library and refactor
 - Add statusCode decorator for http status code
 - **Validate `@route` decorator is used only once
-- Update cadl depdendencies to peerDependencies
+- Update cadl dependencies to peerDependencies
 
 ### Patches
 
@@ -223,7 +223,7 @@ Fri, 13 Aug 2021 19:10:21 GMT
 
 ### Patches
 
-- Add isHeader functionality to discover if a proprty is a header property
+- Add isHeader functionality to discover if a property is a header property
 
 ## 0.5.0
 Tue, 10 Aug 2021 20:23:04 GMT
diff --git a/packages/rest/README.md b/packages/rest/README.md
index 7854573be..ae79c8065 100644
--- a/packages/rest/README.md
+++ b/packages/rest/README.md
@@ -1,6 +1,6 @@
 # Cadl HTTP/Rest Library
 
-This package provides [Cadl](htps://github.com/microsoft/Cadl) decorators, models, and interfaces to describe HTTP and REST API. With fundamental models and decorators defined in Cadl.Http namespace, you will be able describe basic http level operations. Cadl.Rest namespace adds additional predefined models and interfaces. These building blocks make defining REST resources and operations based on standard patterns extremely simple.
+This package provides [Cadl](https://github.com/microsoft/Cadl) decorators, models, and interfaces to describe HTTP and REST API. With fundamental models and decorators defined in Cadl.Http namespace, you will be able describe basic http level operations. Cadl.Rest namespace adds additional predefined models and interfaces. These building blocks make defining REST resources and operations based on standard patterns extremely simple.
 
 ## Install
 
@@ -107,7 +107,7 @@ The `@cadl-lang/rest` library defines the following decorators in `Cadl.Rest` na
 | @deletesResource          | operations                                            | Syntax:<br> `@deletesResource(modelType)` <br><br>Note:<br> This decorator is to used to signal the operation that is the Delete operation for a particular resource.                                                                                                                                                                                                                                                                                        |
 | @listsResource            | operations                                            | Syntax:<br> `@listsResource(modelType)` <br><br>Note:<br> This decorator is to used to signal the operation that is the List operation for a particular resource.                                                                                                                                                                                                                                                                                            |
 | @parentResource           | models                                                | Syntax:<br> `@parentResource(parentModelTypeReference)` <br><br>Note:<br> `@parentResource` marks a model property with a reference to its parent resource type. The first argument should be a reference to a model type which will be treated as the parent type of the target model type. This will cause the `@key` properties of all parent types of the target type to show up in operations of the `Resource*<T>` interfaces defined in this library. |
-| @segment                  | model properties, operation parameters                | Syntax:<br> `@segment(segmentString)` <br><br>Note:<br>`@segment` defines the preceding path segment for a `@path` parameter in auto-generated routes. The first argument should be a string that will be inserted into the operation route before the path parameter's name field. For exmaple: <br> `op getUser(@path @segment("users") userId: string): User` <br> will produce the route `/users/{userId}`.                                              |
+| @segment                  | model properties, operation parameters                | Syntax:<br> `@segment(segmentString)` <br><br>Note:<br>`@segment` defines the preceding path segment for a `@path` parameter in auto-generated routes. The first argument should be a string that will be inserted into the operation route before the path parameter's name field. For example: <br> `op getUser(@path @segment("users") userId: string): User` <br> will produce the route `/users/{userId}`.                                              |
 | @segmentOf                | models                                                | Syntax:<br> `@segment(segmentString)` <br><br>Note:<br>`@segmentOf` returns the URL segment of a given model if it has `@segment` and `@key` decorator.                                                                                                                                                                                                                                                                                                      |
 | @segmentSeparator         | model properties, operation parameters, or operations | Syntax:<br> `@segmentSeparator(separatorString)` <br><br>Note:<br> `@segmentSeparator` defines the separator string that is inserted between the target's `@segment` and the preceding route path in auto-generated routes. <br> The first argument should be a string that will be inserted into the operation route before the target's `@segment` value. Can be a string of any length. Defaults to `/`.                                                  |
 | @autoRoute                | operations                                            | Syntax:<br> `@autoRoute()` <br><br>Note:<br>`@autoRoute` enables automatic route generation for an operation, namespace, or interface. <br> When applied to an operation, it automatically generates the operation's route based on path parameter metadata. When applied to a namespace or interface, it causes all operations under that scope to have auto-generated routes.                                                                              |
diff --git a/packages/rest/docs/authentication.md b/packages/rest/docs/authentication.md
index 5250cb3c8..29bba0917 100644
--- a/packages/rest/docs/authentication.md
+++ b/packages/rest/docs/authentication.md
@@ -52,7 +52,7 @@ For example, to authorize as demo / p@55w0rd the client would send
 ### `BearerAuth`
 
 Bearer authentication (also called token authentication) is an HTTP authentication scheme that involves security tokens called bearer tokens.
-The name “Bearer authentication” can be understood as “give access to the bearer of this token.” The bearer token is a cryptic string, usually generated by the server in response to a ogin request.
+The name “Bearer authentication” can be understood as “give access to the bearer of this token.” The bearer token is a cryptic string, usually generated by the server in response to a login request.
 The client must send this token in the Authorization header when making requests to protected resources:
 
 ```
diff --git a/packages/rest/src/http/route.ts b/packages/rest/src/http/route.ts
index cca619682..e4583a268 100644
--- a/packages/rest/src/http/route.ts
+++ b/packages/rest/src/http/route.ts
@@ -482,7 +482,7 @@ const externalInterfaces = createStateSymbol("externalInterfaces");
  * @depreacted DO NOT USE. For internal use only as a workaround.
  * @param program Program
  * @param target Target namespace
- * @param interf Interface that should be included in namespace.
+ * @param sourceInterface Interface that should be included in namespace.
  */
 export function includeInterfaceRoutesInNamespace(
   program: Program,
diff --git a/packages/rest/test/http-decorators.test.ts b/packages/rest/test/http-decorators.test.ts
index 54dc82c04..02325f281 100644
--- a/packages/rest/test/http-decorators.test.ts
+++ b/packages/rest/test/http-decorators.test.ts
@@ -469,7 +469,7 @@ describe("rest: http decorators", () => {
       });
     });
 
-    it("can specify OAauth2", async () => {
+    it("can specify OAuth2", async () => {
       const { Foo } = (await runner.compile(`
         model MyFlow {
           type: OAuth2FlowType.implicit;
diff --git a/packages/rest/test/responses.test.ts b/packages/rest/test/responses.test.ts
index b1fedb9f0..c011456fb 100644
--- a/packages/rest/test/responses.test.ts
+++ b/packages/rest/test/responses.test.ts
@@ -105,7 +105,7 @@ describe("cadl: rest: responses", () => {
   });
 
   // Regression test for https://github.com/microsoft/cadl/issues/328
-  it("empty response model becomes body if it has childrens", async () => {
+  it("empty response model becomes body if it has children", async () => {
     const [routes, diagnostics] = await getOperationsWithServiceNamespace(
       `
       @route("/") op read(): A;
diff --git a/packages/samples/grpc-kiosk-example/README.md b/packages/samples/grpc-kiosk-example/README.md
index 01c9b56fb..e1a5bd98e 100644
--- a/packages/samples/grpc-kiosk-example/README.md
+++ b/packages/samples/grpc-kiosk-example/README.md
@@ -81,7 +81,7 @@ rpc CreateBook(CreateBookRequest) returns (Book) {
 
 ### Using `...` in Request parameters
 
-In this example and the Library example we see a few different patterns on how a gRPC `rpc` definiton uses different `message`. While some directly use things that look like Cadl models as request and response messages, a more general patter is that a gRPC op `Foo` usually has `FooRequest` and `FooResponse` messages which embed models inside, e.g.
+In this example and the Library example we see a few different patterns on how a gRPC `rpc` definition uses different `message`. While some directly use things that look like Cadl models as request and response messages, a more general patter is that a gRPC op `Foo` usually has `FooRequest` and `FooResponse` messages which embed models inside, e.g.
 
 a natural direct mapping of:
 
@@ -111,7 +111,7 @@ model GetKioskRequest {
 op GetKiosk(... GetKioskRequest): Kiosk | RpcStatus;
 ```
 
-This produces slightly different, but functionaly equivalent swagger in that the gRPC generator inlines the parameter id, while Cadl create a `"$ref": "#/parameters/GetKioskRequest"` which points to a single parameter, `id`.
+This produces slightly different, but functionality equivalent swagger in that the gRPC generator inline the parameter id, while Cadl create a `"$ref": "#/parameters/GetKioskRequest"` which points to a single parameter, `id`.
 
 If we wrote the Cadl directly with the id specified in the `op` parameters we get equivalent to the gRPC version:
 
@@ -122,4 +122,4 @@ If we wrote the Cadl directly with the id specified in the `op` parameters we ge
 op GetKiosk(@path id: int32): Kiosk | RpcStatus;
 ```
 
-the downside with this approach is that it's not as convient to add documentation inside the parameter. Could we perhaps add a new decorator @parameter_doc("id","This is a unique identified") that we add to the `op` ?
+the downside with this approach is that it's not as convenient to add documentation inside the parameter. Could we perhaps add a new decorator @parameter_doc("id","This is a unique identified") that we add to the `op` ?
diff --git a/packages/samples/local-cadl/README.md b/packages/samples/local-cadl/README.md
index 62214d202..c20c8d823 100644
--- a/packages/samples/local-cadl/README.md
+++ b/packages/samples/local-cadl/README.md
@@ -22,6 +22,6 @@ npm install --save-dev @cadl-lang/compiler
 - Set `cadl.cadl-server.path` to `${workspaceFolder}/node_modules/.bin/cadl-server`
 
   (NOTE: If the Cadl project is not at the root of the workspace, adjust the path accordingly.
-  For example, `${workspaceFolder}/path/from/workspace/to/project/node_modulues/.bin/cadl-server`)
+  For example, `${workspaceFolder}/path/from/workspace/to/project/node_modules/.bin/cadl-server`)
 
 ### 3. Commit settings.json and package.json changes
diff --git a/packages/spec/scripts/watch-spec.js b/packages/spec/scripts/watch-spec.js
index f7580fa43..7defc2c89 100644
--- a/packages/spec/scripts/watch-spec.js
+++ b/packages/spec/scripts/watch-spec.js
@@ -5,12 +5,12 @@ import { readFile, writeFile } from "fs/promises";
 import { resolve } from "path";
 
 async function build() {
-  const infile = resolve("src/spec.emu.html");
+  const inFile = resolve("src/spec.emu.html");
   const outfile = resolve("../../docs/spec.html");
   const fetch = (path) => readFile(path, "utf-8");
 
   try {
-    const spec = await ecmarkup.build(infile, fetch, {
+    const spec = await ecmarkup.build(inFile, fetch, {
       outfile,
       warn,
     });
@@ -18,12 +18,12 @@ async function build() {
       await writeFile(file, contents);
     }
   } catch (err) {
-    console.log(`${infile}(1,1): error EMU0001: Error generating spec: ${err.message}`);
+    console.log(`${inFile}(1,1): error EMU0001: Error generating spec: ${err.message}`);
     throw err;
   }
 
   function warn(warning) {
-    const file = warning.file ?? infile;
+    const file = warning.file ?? inFile;
     const line = warning.line ?? 1;
     const col = warning.column ?? 1;
     const id = "EMU0002" + (warning.ruleId ? `: ${warning.ruleId}` : "");
diff --git a/packages/versioning/README.md b/packages/versioning/README.md
index 8a473b3f4..d010baa78 100644
--- a/packages/versioning/README.md
+++ b/packages/versioning/README.md
@@ -177,7 +177,7 @@ model Foo {
 
 ### `@renamedFrom`
 
-Sepcify which version an entity was renamed and what is is old name.
+Specify which version an entity was renamed and what is is old name.
 
 Version enum member **MUST** be from the version enum for the containing namespace.
 
@@ -188,7 +188,7 @@ op newName(): void;
 
 ### `@madeOptional`
 
-Sepcify which version a property was made optional
+Specify which version a property was made optional
 
 Version enum member **MUST** be from the version enum for the containing namespace.
 
@@ -203,7 +203,7 @@ model Foo {
 
 ## Consuming versioning library from an emitter
 
-### Get the service represenation at a given version
+### Get the service representation at a given version
 
 Versioning library works with projection to project the service at a given version.
 
diff --git a/packages/versioning/src/validate.ts b/packages/versioning/src/validate.ts
index d7f5326e2..3a83ca756 100644
--- a/packages/versioning/src/validate.ts
+++ b/packages/versioning/src/validate.ts
@@ -145,7 +145,7 @@ function validateReference(program: Program, source: Type, target: Type) {
 }
 
 /**
- * Validate the target versioning is compatible with the versioning of the soruce.
+ * Validate the target versioning is compatible with the versioning of the source.
  * e.g. The target cannot be added after the source was added.
  * @param source Source type referencing the target type.
  * @param target Type being referenced from the source
diff --git a/packages/versioning/src/versioning.ts b/packages/versioning/src/versioning.ts
index 9f3e61679..972487f83 100644
--- a/packages/versioning/src/versioning.ts
+++ b/packages/versioning/src/versioning.ts
@@ -486,7 +486,7 @@ export function getVersionForEnumMember(program: Program, member: EnumMember): V
 }
 
 /**
- * returns either null, which means unversioned, or true or false dependnig
+ * returns either null, which means unversioned, or true or false depending
  * on whether the change is active or not at that particular version
  */
 function appliesAtVersion(
diff --git a/packages/versioning/test/incompatible-versioning.test.ts b/packages/versioning/test/incompatible-versioning.test.ts
index 600646464..bd41c279b 100644
--- a/packages/versioning/test/incompatible-versioning.test.ts
+++ b/packages/versioning/test/incompatible-versioning.test.ts
@@ -134,7 +134,7 @@ describe("versioning: validate incompatible references", () => {
       });
     });
 
-    it("emit diagnostic when nodel property was removed after return type", async () => {
+    it("emit diagnostic when model property was removed after return type", async () => {
       const diagnostics = await runner.diagnose(`
         @removed(Versions.v2)
         model Foo {}
diff --git a/packages/versioning/test/versioning.test.ts b/packages/versioning/test/versioning.test.ts
index 35dce653f..50d0eced4 100644
--- a/packages/versioning/test/versioning.test.ts
+++ b/packages/versioning/test/versioning.test.ts
@@ -54,7 +54,7 @@ describe("cadl: versioning", () => {
       const v1 = project(Test, "1");
       ok(v1.properties.has("a"), "v1 has a");
       ok(!v1.properties.has("b"), "v1 doesn't have b");
-      ok(!v1.properties.has("c"), "v1 desn't have c");
+      ok(!v1.properties.has("c"), "v1 doesn't have c");
       const v2 = project(Test, "version two");
       ok(v2.properties.has("a"), "v2 has a");
       ok(v2.properties.has("b"), "v2 has b");
diff --git a/packages/website/README.md b/packages/website/README.md
index 0f92c0226..f6626be0a 100644
--- a/packages/website/README.md
+++ b/packages/website/README.md
@@ -8,7 +8,7 @@ Support libraries that enable the demo features are in the `packages/` directory
 
 ### Running the website
 
-To get started with the webiste, run the following npm commands
+To get started with the website, run the following npm commands
 
 To build for production:
 
@@ -38,7 +38,7 @@ There are some basic layout already developed in this repo. Check out some layou
 
 > The "container.njk" layout has the exact same content as the base layout, except that it designed for the container files that are not already included in the template folder `(/_include)`
 
-> The `continer.njk` layout uses the container layout and create the layout for tutorial page/ container of the website.
+> The `container.njk` layout uses the container layout and create the layout for tutorial page/ container of the website.
 
 To create a new layout, add a new file in the \_include folder, and build from existing layouts or create whole new layout.
 
diff --git a/packages/website/src/docs/api-design/projected-names.md b/packages/website/src/docs/api-design/projected-names.md
index d1bc39fc3..cf6b28894 100644
--- a/packages/website/src/docs/api-design/projected-names.md
+++ b/packages/website/src/docs/api-design/projected-names.md
@@ -5,7 +5,7 @@ title: Projected names
 
 # Projected Names
 
-There is some cases where the name you have in Cadl might difer from the name over the wire or for a certain language.
+There is some cases where the name you have in Cadl might differ from the name over the wire or for a certain language.
 
 ## Known targets
 
@@ -31,7 +31,7 @@ List of known targets.
 To update the name of a Cadl entity you can use the `@projectedName` decorator. This decorator takes 2 parameters:
 
 - `string` target name. See [known targets](#known-targets)
-- `string` projected name. Watever the name should be in the given target.
+- `string` projected name. Whatever the name should be in the given target.
 
 Example:
 
diff --git a/packages/website/src/docs/language-basics/alias.md b/packages/website/src/docs/language-basics/alias.md
index 1c12130e7..d155dc36e 100644
--- a/packages/website/src/docs/language-basics/alias.md
+++ b/packages/website/src/docs/language-basics/alias.md
@@ -5,7 +5,7 @@ title: Aliases
 
 # Alias
 
-Aliases can be defined for types. This can be helpeful to reuse a complex expression.
+Aliases can be defined for types. This can be helpful to reuse a complex expression.
 
 Alias is only a syntax helper, and it has no representation in the type graph. This means that aliases cannot be decorated. Use [`model is`]({{"/docs/language-basics/models" | url}}) to provide an alternate name for a model.
 
diff --git a/packages/website/src/docs/language-basics/enums.md b/packages/website/src/docs/language-basics/enums.md
index bfce96560..74a4ffb6b 100644
--- a/packages/website/src/docs/language-basics/enums.md
+++ b/packages/website/src/docs/language-basics/enums.md
@@ -10,7 +10,7 @@ Enums allow a developer to define a set of named constants. Using enums can make
 ## Basics
 
 Enums are declared using the `enum` keyword.
-The enums members are comma `,` seperated and can be cadl `identifier`s or `string literal`s.
+The enums members are comma `,` separated and can be cadl `identifier`s or `string literal`s.
 
 ```cadl
 enum Direction {
diff --git a/packages/website/src/docs/language-basics/imports.md b/packages/website/src/docs/language-basics/imports.md
index 0668b4421..92fbb492a 100644
--- a/packages/website/src/docs/language-basics/imports.md
+++ b/packages/website/src/docs/language-basics/imports.md
@@ -40,7 +40,7 @@ which result in `./node_modules/@cadl-lang/rest/lib/main.cadl` to be imported
 
 ## Import a directory
 
-If the import value is a directory it will lookup if that directoy is a node package and follow the npm package [lookup logic](#import-a-library) or if the directory contains a `main.cadl`.
+If the import value is a directory it will lookup if that directory is a node package and follow the npm package [lookup logic](#import-a-library) or if the directory contains a `main.cadl`.
 
 ```cadl
 import "./models"; // same as `import "./models/main.cadl";
diff --git a/packages/website/src/docs/language-basics/namespaces.md b/packages/website/src/docs/language-basics/namespaces.md
index d0d6ec950..63181c7e8 100644
--- a/packages/website/src/docs/language-basics/namespaces.md
+++ b/packages/website/src/docs/language-basics/namespaces.md
@@ -49,7 +49,7 @@ namespace Foo.Bar.Baz {
 }
 ```
 
-The subnamespace can then be used from other places using the fully qualified name.
+The sub-namespace can then be used from other places using the fully qualified name.
 
 ```cadl
 model A {
diff --git a/packages/website/src/docs/language-basics/type-relations.md b/packages/website/src/docs/language-basics/type-relations.md
index 526d04a4b..01530a54c 100644
--- a/packages/website/src/docs/language-basics/type-relations.md
+++ b/packages/website/src/docs/language-basics/type-relations.md
@@ -5,7 +5,7 @@ title: Type relations
 
 # Types Relations
 
-## Type hierachy
+## Type hierarchy
 
 ```mermaid
 graph RL
diff --git a/packages/website/src/docs/setup/installation.md b/packages/website/src/docs/setup/installation.md
index 119d1e708..b5ca26361 100644
--- a/packages/website/src/docs/setup/installation.md
+++ b/packages/website/src/docs/setup/installation.md
@@ -53,7 +53,7 @@ cadl install
 You should now have a basic Cadl project setup with a structure looking like
 
 ```
-package.json      # Package manfifest defining your cadl project as a node package.
+package.json      # Package manifest defining your cadl project as a node package.
 cadl-project.yaml # Cadl project configuration letting you configure emitters, emitter options, compiler options, etc.
 main.cadl         # Cadl entrypoint
 ```