diff --git a/.chronus/changes/fix-spellcheck-2024-1-8-23-16-15.md b/.chronus/changes/fix-spellcheck-2024-1-8-23-16-15.md
new file mode 100644
index 000000000..94e12f5e9
--- /dev/null
+++ b/.chronus/changes/fix-spellcheck-2024-1-8-23-16-15.md
@@ -0,0 +1,6 @@
+---
+# Change versionKind to one of: internal, fix, dependencies, feature, deprecation, breaking
+changeKind: internal
+packages:
+  - "@typespec/http"
+---
diff --git a/.vscode/settings.json b/.vscode/settings.json
index c91ddc729..d1883400b 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -19,7 +19,6 @@
     "**/.git": true,
     "**/.DS_Store": true
   },
-
   "[javascript][javascriptreact][typescript][typescriptreact]": {
     "editor.formatOnSave": true,
     "editor.formatOnPaste": false, // work around https://github.com/simonhaenisch/prettier-plugin-organize-imports/issues/53
diff --git a/cspell.yaml b/cspell.yaml
index 3797dc0bc..455b9b494 100644
--- a/cspell.yaml
+++ b/cspell.yaml
@@ -15,10 +15,12 @@ words:
   - cadl
   - cadleditor
   - cadleng
+  - cadlplayground
   - clsx
   - cobertura
   - codeql
   - Contoso
+  - CORGE
   - createsorreplacesresource
   - createsorupdatesresource
   - CRUDL
@@ -29,13 +31,16 @@ words:
   - ecmarkup
   - esbuild
   - fluentui
+  - genproto
   - globby
+  - Infima
   - inmemory
   - instanceid
   - interner
   - intrinsics
   - jsyaml
   - keyer
+  - lifecyle
   - lzutf
   - mocharc
   - msbuild
@@ -43,6 +48,7 @@ words:
   - multis
   - munge
   - mylib
+  - nanos
   - noformat
   - noopener
   - noreferrer
@@ -75,9 +81,11 @@ words:
   - TRYIT
   - TSES
   - tspd
+  - tspwebsitepr
   - tsvs
   - typespecvs
   - Uhoh
+  - uitestresults
   - unassignable
   - Uncapitalize
   - uninstantiated
@@ -101,6 +109,12 @@ ignorePaths:
   - "**/coverage/**"
   - packages/website/build/**
   - common/scripts/*
+  - "**/ThirdPartyNotices.txt"
+  - packages/compiler/test/formatter/scenarios/**
+  - pnpm-lock.yaml
+  - "**/*.mp4"
+  - packages/samples/test/output/**
+useGitignore: true
 enableFiletypes:
   - cadl
 patterns:
diff --git a/package.json b/package.json
index 05155ae62..595c91198 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "check-version-mismatch": "syncpack list-mismatches",
     "change": "chronus",
     "clean": "pnpm -r run clean",
-    "cspell": "cspell --no-progress \"**/*.{md,ts,tsx}\" ",
+    "cspell": "cspell --no-progress .",
     "dogfood": "pnpm install && pnpm build && pnpm -r dogfood",
     "fix-version-mismatch": "syncpack fix-mismatches",
     "format": "pnpm run prettier --write",
diff --git a/packages/http/lib/auth.tsp b/packages/http/lib/auth.tsp
index 28a8942e9..465d8e699 100644
--- a/packages/http/lib/auth.tsp
+++ b/packages/http/lib/auth.tsp
@@ -120,7 +120,7 @@ enum OAuth2FlowType {
   @doc("authorization code flow")
   authorizationCode,
 
-  @doc("implcit flow")
+  @doc("implicit flow")
   implicit,
 
   @doc("password flow")
diff --git a/packages/samples/specs/binary/binary.tsp b/packages/samples/specs/binary/binary.tsp
index 21982d732..d2847301c 100644
--- a/packages/samples/specs/binary/binary.tsp
+++ b/packages/samples/specs/binary/binary.tsp
@@ -29,8 +29,8 @@ namespace BytesMethod {
   @route("binaryFile")
   @post
   op genericBinaryFile(
-    ...BytesBody<"application/octect-stream">,
-  ): BytesBody<"application/octect-stream">;
+    ...BytesBody<"application/octet-stream">,
+  ): BytesBody<"application/octet-stream">;
 
   @route("imagePng")
   @post
diff --git a/packages/samples/specs/documentation/docs.tsp b/packages/samples/specs/documentation/docs.tsp
index 5e9b53f4b..5162e4cf7 100644
--- a/packages/samples/specs/documentation/docs.tsp
+++ b/packages/samples/specs/documentation/docs.tsp
@@ -3,7 +3,7 @@ import "@typespec/rest";
 using TypeSpec.Http;
 
 @service({
-  title: "Documentaion sample",
+  title: "Documentation sample",
 })
 namespace DocSample;
 
diff --git a/packages/samples/specs/encoded-names/encoded-names.tsp b/packages/samples/specs/encoded-names/encoded-names.tsp
index 7c704c85f..b09ff7dd1 100644
--- a/packages/samples/specs/encoded-names/encoded-names.tsp
+++ b/packages/samples/specs/encoded-names/encoded-names.tsp
@@ -1,5 +1,5 @@
 /**
- * This example showcase propviding a different name over the wire.
+ * This example showcase providing a different name over the wire.
  * In this example the `WithEncodedNames` model has a `notBefore` property that should get serialized as `nbf` when serialized as json.
  */
 @service({
diff --git a/packages/samples/specs/string-template/main.tsp b/packages/samples/specs/string-template/main.tsp
index 686031b28..330845b4f 100644
--- a/packages/samples/specs/string-template/main.tsp
+++ b/packages/samples/specs/string-template/main.tsp
@@ -1,4 +1,4 @@
-alias myconst = "foobar";
+alias myConst = "foobar";
 
 model Person {
   simple: "Simple ${123} end";
@@ -8,7 +8,7 @@ model Person {
     ${true}
   line
   """;
-  ref: "Ref this alias ${myconst} end";
+  ref: "Ref this alias ${myConst} end";
   template: Template<"custom">;
 }
 
diff --git a/packages/samples/specs/testserver/body-complex/body-complex.tsp b/packages/samples/specs/testserver/body-complex/body-complex.tsp
index 2278afcf6..eeea36aeb 100644
--- a/packages/samples/specs/testserver/body-complex/body-complex.tsp
+++ b/packages/samples/specs/testserver/body-complex/body-complex.tsp
@@ -21,10 +21,10 @@ model Basic {
   @doc("Name property with a very long description that does not fit on a single line and a line break.")
   name: string;
 
-  color: CMYKColors;
+  color: Colors;
 }
 
-enum CMYKColors {
+enum Colors {
   cyan,
   Magenta,
   YELLOW,
diff --git a/packages/samples/specs/testserver/body-string/body-string.tsp b/packages/samples/specs/testserver/body-string/body-string.tsp
index 042639166..60558089b 100644
--- a/packages/samples/specs/testserver/body-string/body-string.tsp
+++ b/packages/samples/specs/testserver/body-string/body-string.tsp
@@ -1,5 +1,6 @@
 import "@typespec/rest";
 import "@typespec/openapi";
+/* cspell:disable */
 
 using TypeSpec.Http;
 
diff --git a/packages/samples/test/output/binary/@typespec/openapi3/openapi.yaml b/packages/samples/test/output/binary/@typespec/openapi3/openapi.yaml
index 966fdf264..ac927c67f 100644
--- a/packages/samples/test/output/binary/@typespec/openapi3/openapi.yaml
+++ b/packages/samples/test/output/binary/@typespec/openapi3/openapi.yaml
@@ -29,14 +29,14 @@ paths:
         '200':
           description: The request has succeeded.
           content:
-            application/octect-stream:
+            application/octet-stream:
               schema:
                 type: string
                 format: binary
       requestBody:
         required: true
         content:
-          application/octect-stream:
+          application/octet-stream:
             schema:
               type: string
               format: binary
diff --git a/packages/samples/test/output/documentation/@typespec/openapi3/openapi.yaml b/packages/samples/test/output/documentation/@typespec/openapi3/openapi.yaml
index ac992d054..1b62c51d4 100644
--- a/packages/samples/test/output/documentation/@typespec/openapi3/openapi.yaml
+++ b/packages/samples/test/output/documentation/@typespec/openapi3/openapi.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  title: Documentaion sample
+  title: Documentation sample
   version: 0000-00-00
 tags: []
 paths:
diff --git a/packages/samples/test/output/encoded-names/@typespec/openapi3/openapi.yaml b/packages/samples/test/output/encoded-names/@typespec/openapi3/openapi.yaml
index ad906f39f..678fd4e1e 100644
--- a/packages/samples/test/output/encoded-names/@typespec/openapi3/openapi.yaml
+++ b/packages/samples/test/output/encoded-names/@typespec/openapi3/openapi.yaml
@@ -3,7 +3,7 @@ info:
   title: Sample showcasing encoded names
   version: 0000-00-00
   description: |-
-    This example showcase propviding a different name over the wire.
+    This example showcase providing a different name over the wire.
     In this example the `WithEncodedNames` model has a `notBefore` property that should get serialized as `nbf` when serialized as json.
 tags: []
 paths:
diff --git a/packages/samples/test/output/testserver/body-complex/@typespec/openapi3/openapi.yaml b/packages/samples/test/output/testserver/body-complex/@typespec/openapi3/openapi.yaml
index ee38c399e..15deb9e99 100644
--- a/packages/samples/test/output/testserver/body-complex/@typespec/openapi3/openapi.yaml
+++ b/packages/samples/test/output/testserver/body-complex/@typespec/openapi3/openapi.yaml
@@ -512,7 +512,7 @@ components:
           type: string
           description: Name property with a very long description that does not fit on a single line and a line break.
         color:
-          $ref: '#/components/schemas/CMYKColors'
+          $ref: '#/components/schemas/Colors'
     BooleanWrapper:
       type: object
       required:
@@ -531,7 +531,7 @@ components:
         field:
           type: string
           format: byte
-    CMYKColors:
+    Colors:
       type: string
       enum:
         - cyan
diff --git a/packages/website/src/css/custom.css b/packages/website/src/css/custom.css
index 5adc3120e..ea3679059 100644
--- a/packages/website/src/css/custom.css
+++ b/packages/website/src/css/custom.css
@@ -199,6 +199,7 @@
 }
 
 .header-github-link:before {
+  /* cspell:disable-next-line */
   background: url("data:image/svg+xml;charset=utf-8,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12'/%3E%3C/svg%3E")
     no-repeat;
   content: "";
@@ -208,6 +209,7 @@
 }
 
 [data-theme="dark"] .header-github-link:before {
+  /* cspell:disable-next-line */
   background: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill='white' d='M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12'/%3E%3C/svg%3E")
     no-repeat;
 }