diff --git a/.github/.cSpellWords.txt b/.github/.cSpellWords.txt
index 7fca1fb29..f2aa350f3 100644
--- a/.github/.cSpellWords.txt
+++ b/.github/.cSpellWords.txt
@@ -1,34 +1,46 @@
+cbmc
 CBMC
+cbor
 CBOR
-CMOCK
-CMock
-CSDK
+cmock
 Cmock
+CMock
+CMOCK
+coremqtt
+coverity
 Coverity
+CSDK
+ctest
 DCMOCK
+decihours
+Decihours
+DECIHOURS
 DNDEBUG
 DUNITY
-MISRA
-MQTT
-Misra
-UNACKED
-UNSUB
-UNSUBACK
-Wunused
-cbmc
-cbor
-cmock
-coremqtt
-coverity
-ctest
 getpacketid
 isystem
 lcov
 misra
+Misra
+MISRA
+MQTT
 mypy
+nondet
+Nondet
+NONDET
 pylint
 pytest
 pyyaml
 sinclude
+UNACKED
+unpadded
+Unpadded
+UNPADDED
+UNSUB
+UNSUBACK
 unsubscriptions
 utest
+vect
+Vect
+VECT
+Wunused