quisling vs collaborationist

quisling and collaborationist both are nouns.

Word	Noun	Adjective	Verb	Adverb
quisling	Yes	No	No	No
collaborationist	Yes	No	No	No

As nouns, quisling and collaborationist are synonyms defined as:

quisling and collaborationist: someone who collaborates with an enemy occupying force

Other synonyms of quisling include collaborator.

quisling (noun)	collaborationist (noun)
someone who collaborates with an enemy occupying force	someone who collaborates with an enemy occupying force