order Percomorphi vs family Trichodontidae

order Percomorphi and family Trichodontidae both are nouns.

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

order Percomorphi (noun)	family Trichodontidae (noun)
one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna	two species of elongate compressed scaleless large-eyed fishes that live in sand or mud