diff --git a/.github/.cSpellWords.txt b/.github/.cSpellWords.txt
index 32d5e1e0..37112fdc 100644
--- a/.github/.cSpellWords.txt
+++ b/.github/.cSpellWords.txt
@@ -8,13 +8,20 @@ cmock
 Cmock
 CMock
 CMOCK
+coremqtt
 coverity
 Coverity
+CSDK
 ctest
 DCMOCK
+decihours
+Decihours
+DECIHOURS
 DNDEBUG
 Doesnt
 DUNITY
+getpacketid
+isystem
 lcov
 llhttp
 LLHTTP
@@ -23,6 +30,23 @@ misra
 Misra
 MISRA
 MQTT
+mypy
+nondet
+Nondet
+NONDET
+pylint
+pytest
+pyyaml
 sinclude
+UNACKED
+unpadded
+Unpadded
+UNPADDED
+UNSUB
+UNSUBACK
+unsubscriptions
 utest
+vect
+Vect
+VECT
 Wunused