order Perciformes vs family Trichiuridae

order Perciformes and family Trichiuridae both are nouns.

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

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