Perciformes vs order Perciformes

Perciformes and order Perciformes both are nouns.

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

As nouns, Perciformes and order Perciformes are synonyms defined as:

Perciformes and order Perciformes: one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna

Other synonyms of Perciformes include order Percomorphi, Percomorphi.

Perciformes (noun)	order Perciformes (noun)
one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna	one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna