genre vs primitivism

genre and primitivism both are nouns.

Word	Noun	Adjective	Verb	Adverb
genre	Yes	No	No	No
primitivism	Yes	No	No	No

As nouns, primitivism is a hyponym of genre; that is, primitivism is a word with a more specific, narrower meaning than genre:

genre: a class of art (or artistic endeavor) having a characteristic form or technique
primitivism: a genre characteristic of (or imitative of) primitive artists or children

genre (noun)	primitivism (noun)
a class of art (or artistic endeavor) having a characteristic form or technique	a genre characteristic of (or imitative of) primitive artists or children
a kind of literary or artistic work	a wild or unrefined state
a style of expressing yourself in writing