family Labridae vs Percomorphi

family Labridae and Percomorphi both are nouns.

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

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