Perciformes vs family Stromateidae

Perciformes and family Stromateidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Perciformes	Yes	No	No	No
family Stromateidae	Yes	No	No	No

Perciformes (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