order Perciformes vs sea bream

order Perciformes and sea bream both are nouns.

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

order Perciformes (noun)	sea bream (noun)
one of the largest natural groups of fishes of both marine and fresh water: true perches, basses, tuna	any of numerous marine percoid fishes especially (but not exclusively) of the family Sparidae
	flesh of any of various saltwater fishes of the family Sparidae or the family Bramidae