family Brotulidae vs order Perciformes

family Brotulidae and order Perciformes both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Brotulidae	Yes	No	No	No
order Perciformes	Yes	No	No	No

family Brotulidae (noun)	order Perciformes (noun)
chiefly deep-sea fishes related to the Ophidiidae	one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna