order Perciformes vs Stromateidae

order Perciformes and Stromateidae both are nouns.

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

order Perciformes (noun)	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