Colubridae vs family Colubridae

Colubridae and family Colubridae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Colubridae	Yes	No	No	No
family Colubridae	Yes	No	No	No

As nouns, Colubridae and family Colubridae are synonyms defined as:

Colubridae and family Colubridae: nonvenomous snakes; about two-thirds of all living species

Colubridae (noun)	family Colubridae (noun)
nonvenomous snakes; about two-thirds of all living species	nonvenomous snakes; about two-thirds of all living species