suborder Percoidea vs Percomorphi

suborder Percoidea and Percomorphi both are nouns.

Word	Noun	Adjective	Verb	Adverb
suborder Percoidea	Yes	No	No	No
Percomorphi	Yes	No	No	No

suborder Percoidea (noun)	Percomorphi (noun)
in some classifications nearly or exactly equivalent to the Perciformes which are considered a suborder	one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna