Plantaginaceae vs plantain family

Plantaginaceae and plantain family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Plantaginaceae	Yes	No	No	No
plantain family	Yes	No	No	No

As nouns, Plantaginaceae and plantain family are synonyms defined as:

Plantaginaceae and plantain family: cosmopolitan family of small herbs and a few shrubs; most are troublesome weeds

Other synonyms of Plantaginaceae include family Plantaginaceae.

Plantaginaceae (noun)	plantain family (noun)
cosmopolitan family of small herbs and a few shrubs; most are troublesome weeds	cosmopolitan family of small herbs and a few shrubs; most are troublesome weeds