kibbutz vs collective farm

kibbutz and collective farm both are nouns.

Word	Noun	Adjective	Verb	Adverb
kibbutz	Yes	No	No	No
collective farm	Yes	No	No	No

As nouns, collective farm is a hypernym of kibbutz; that is, collective farm is a word with a broader meaning than kibbutz:

kibbutz: a collective farm or settlement owned by its members in modern Israel; children are reared collectively
collective farm: a farm operated collectively

kibbutz (noun)	collective farm (noun)
a collective farm or settlement owned by its members in modern Israel; children are reared collectively	a farm operated collectively