order Perciformes vs family Labridae

order Perciformes and family Labridae both are nouns.

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

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