Percomorphi vs family Labridae

Percomorphi and family Labridae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Percomorphi	Yes	No	No	No
family Labridae	Yes	No	No	No

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