heroic poetry vs verse

heroic poetry and verse both are nouns.

Word	Noun	Adjective	Verb	Adverb
heroic poetry	Yes	No	No	No
verse	Yes	No	Yes	No

As nouns, verse is a hypernym of heroic poetry; that is, verse is a word with a broader meaning than heroic poetry:

Other hypernyms of heroic poetry include poesy, poetry.

heroic poetry (noun)	verse (noun)
poetry celebrating the deeds of some hero	a piece of poetry
	a line of metrical text
	literature in metrical form

heroic poetry (verb)	verse (verb)
	familiarize through thorough study or experience
	compose verses or put into verse