Bignoniaceae vs family Bignoniaceae

Bignoniaceae and family Bignoniaceae both are nouns.

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

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

Bignoniaceae and family Bignoniaceae: trees or shrubs or woody vines or herbs having fruit resembling gourds or capsules; sometimes placed in the order Scrophulariales

Bignoniaceae (noun)	family Bignoniaceae (noun)
trees or shrubs or woody vines or herbs having fruit resembling gourds or capsules; sometimes placed in the order Scrophulariales	trees or shrubs or woody vines or herbs having fruit resembling gourds or capsules; sometimes placed in the order Scrophulariales