family Haemulidae vs order Perciformes

family Haemulidae and order Perciformes both are nouns.

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

family Haemulidae (noun)	order Perciformes (noun)
grunts	one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna