Perciformes vs family Malacanthidae

Perciformes and family Malacanthidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Perciformes	Yes	No	No	No
family Malacanthidae	Yes	No	No	No

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