suborder Blennioidea vs order Percomorphi

suborder Blennioidea and order Percomorphi both are nouns.

Word	Noun	Adjective	Verb	Adverb
suborder Blennioidea	Yes	No	No	No
order Percomorphi	Yes	No	No	No

suborder Blennioidea (noun)	order Percomorphi (noun)
blennies, butterfishes, gunnels	one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna