suborder Percoidea vs order Perciformes

suborder Percoidea and order Perciformes both are nouns.

Word	Noun	Adjective	Verb	Adverb
suborder Percoidea	Yes	No	No	No
order Perciformes	Yes	No	No	No

suborder Percoidea (noun)	order Perciformes (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