heroic verse vs heroic meter

heroic verse and heroic meter both are nouns.

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

As nouns, heroic verse and heroic meter are synonyms defined as:

heroic verse and heroic meter: a verse form suited to the treatment of heroic or elevated themes; dactylic hexameter or iambic pentameter

Other synonyms of heroic verse include heroic.

heroic verse (noun)	heroic meter (noun)
a verse form suited to the treatment of heroic or elevated themes; dactylic hexameter or iambic pentameter	a verse form suited to the treatment of heroic or elevated themes; dactylic hexameter or iambic pentameter