heroic meter vs heroic verse

heroic meter and heroic verse both are nouns.

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

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

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

Other synonyms of heroic meter include heroic.

heroic meter (noun)	heroic verse (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