order Perciformes vs family Lutjanidae

order Perciformes and family Lutjanidae both are nouns.

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

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