diff --git a/spell/en.utf-8.add b/spell/en.utf-8.add
index 93772fb..f4b051e 100644
--- a/spell/en.utf-8.add
+++ b/spell/en.utf-8.add
@@ -615,3 +615,15 @@ Kaptinova
 Thygesen
 Andersson
 SRG
+ALgorithmus
+implementation/!
+Implementation
+datentypen/!
+Datentypen
+Toolchain
+Ceedling
+tests/!
+Tests
+Unit
+Unity
+Build