Gempylidae vs order Perciformes

Gempylidae and order Perciformes both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gempylidae	Yes	No	No	No
order Perciformes	Yes	No	No	No

Gempylidae (noun)	order Perciformes (noun)
snake mackerels	one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna