collaborationism vs collaboration

collaborationism and collaboration both are nouns.

Word	Noun	Adjective	Verb	Adverb
collaborationism	Yes	No	No	No
collaboration	Yes	No	No	No

As nouns, collaborationism and collaboration are synonyms defined as:

collaborationism and collaboration: act of cooperating traitorously with an enemy that is occupying your country

Other synonyms of collaborationism include quislingism.

collaborationism (noun)	collaboration (noun)
act of cooperating traitorously with an enemy that is occupying your country	act of working jointly
	act of cooperating traitorously with an enemy that is occupying your country