family Percidae vs Percomorphi

family Percidae and Percomorphi both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Percidae	Yes	No	No	No
Percomorphi	Yes	No	No	No

family Percidae (noun)	Percomorphi (noun)
active freshwater fishes; true perches and pike perches	one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna