Bug 1517173 - Add words to en-US dictionary. r=ehsan

extensions/spellcheck/locales/en-US/hunspell/en-US.dic

@@ -1,4 +1,4 @@
-52951
+52956
 0/nm
 0th/pt
 1/n1
@@ -9720,6 +9720,7 @@ Peruvian/MS
 Peshawar/M
 Peta/M
 Petain/M
+Petaluma/M
 Pete/RMZ
 Peter/M
 Peterborough/M
@@ -15367,6 +15368,7 @@ aspidistra/MS
 aspirant/MS
 aspirate/MGNDSX
 aspiration/M
+aspirational/Y
 aspirator/SM
 aspire/GDS
 aspirin/MS
@@ -28949,6 +28951,7 @@ gyve/MGDS
 h'm
 h/NRSXZGVJ
 ha/SH
+habeas
 haberdasher/SM
 haberdashery/SM
 habiliment/SM
@@ -31551,7 +31554,8 @@ integer/MS
 integral/SMY
 integrand
 integrate/AEVNGSD
-integration/EAM
+integration/EAMS
+integrationist/MS
 integrator
 integrity/M
 integument/SM
@@ -41907,6 +41911,7 @@ ramble/DRSMZGJ
 rambler/M
 rambunctious/PY
 rambunctiousness/M
+rambutan/S
 ramekin/SM
 ramie/M
 ramification/M
@@ -44369,7 +44374,7 @@ seismologist/MS
 seismology/M
 seize/GDS
 seizure/MS
-seldom
+seldom/Y
 select/CSGVD
 selection/SM
 selective/Y