heroic poem vs Aeneid

heroic poem and Aeneid both are nouns.

Word	Noun	Adjective	Verb	Adverb
heroic poem	Yes	No	No	No
Aeneid	Yes	No	No	No

heroic poem (noun)	Aeneid (noun)
a long narrative poem telling of a hero's deeds	an epic in Latin by Virgil; tells the adventures of Aeneas after the Trojan War; provides an illustrious historical background for the Roman Empire