Percomorphi vs Serranidae

Percomorphi and Serranidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Percomorphi	Yes	No	No	No
Serranidae	Yes	No	No	No

Percomorphi (noun)	Serranidae (noun)
one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna	marine fishes: sea basses, sea perches, groupers, jewfish