Cain and Quisling

Cain noun - (Old Testament) Cain and Abel were the first children of Adam and Eve born after the Fall of Man; Cain killed Abel out of jealousy and was exiled by God.

Quisling and Cain are semantically related. In some cases you can use "Quisling" instead a noun "Cain".

Quisling noun - One who betrays a trust or an allegiance.

Cain and quisling are semantically related. Sometimes you can replace term "Cain" with "Quisling", this nouns are similar.