order Percomorphi vs family Stromateidae

order Percomorphi and family Stromateidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Percomorphi	Yes	No	No	No
family Stromateidae	Yes	No	No	No

order Percomorphi (noun)	family Stromateidae (noun)
one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna	butterfishes: harvest fishes; dollar fishes