Percomorphi vs family Centropomidae

Percomorphi and family Centropomidae both are nouns.

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

Percomorphi (noun)	family Centropomidae (noun)
one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna	a family of fish or the order Perciformes including robalos