genre vs poetry

genre and poetry both are nouns.

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

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

Other hyponyms of genre include drama, prose, form, poesy, verse, satire, steampunk.

genre (noun)	poetry (noun)
a class of art (or artistic endeavor) having a characteristic form or technique	literature in metrical form
a kind of literary or artistic work	any communication resembling poetry in beauty or the evocation of feeling
a style of expressing yourself in writing