order Percomorphi vs Haemulidae

order Percomorphi and Haemulidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Percomorphi	Yes	No	No	No
Haemulidae	Yes	No	No	No

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