Mugiloidea vs order Perciformes

Mugiloidea and order Perciformes both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mugiloidea	Yes	No	No	No
order Perciformes	Yes	No	No	No

Mugiloidea (noun)	order Perciformes (noun)
fishes distinguished by abdominal pelvic fins: families Mugilidae; Atherinidae; Sphyraenidae	one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna