epos vs verse

epos and verse both are nouns.

Word	Noun	Adjective	Verb	Adverb
epos	Yes	No	No	No
verse	Yes	No	Yes	No

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

epos: a body of poetry that conveys the traditions of a society by treating some epic theme
verse: literature in metrical form

Other hypernyms of epos include poesy, poetry.

epos (noun)	verse (noun)
a long narrative poem telling of a hero's deeds	a piece of poetry
a body of poetry that conveys the traditions of a society by treating some epic theme	a line of metrical text
	literature in metrical form

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