collectivist vs socialist

collectivist and socialist both are nouns.

Word	Noun	Adjective	Verb	Adverb
collectivist	Yes	Yes	No	No
socialist	Yes	Yes	No	No

As nouns, socialist is a hypernym of collectivist; that is, socialist is a word with a broader meaning than collectivist:

collectivist (noun)	socialist (noun)
a person who belongs to the political left	a political advocate of socialism

collectivist (adjective)	socialist (adjective)
subscribing to the socialistic doctrine of ownership by the people collectively	advocating or following the socialist principles