order Percomorphi vs family Trichiuridae

order Percomorphi and family Trichiuridae both are nouns.

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

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