family Malacanthidae vs order Percomorphi

family Malacanthidae and order Percomorphi both are nouns.

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

family Malacanthidae (noun)	order Percomorphi (noun)
short-headed marine fishes; often brightly colored	one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna