Scombroidea vs order Perciformes

Scombroidea and order Perciformes both are nouns.

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

Scombroidea (noun)	order Perciformes (noun)
mackerels, tunas, albacores, bonitos, swordfishes, sailfishes	one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna