order Percomorphi vs family Centrarchidae

order Percomorphi and family Centrarchidae both are nouns.

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

order Percomorphi (noun)	family Centrarchidae (noun)
one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna	sunfish family