family Brassicaceae vs mustard family

family Brassicaceae and mustard family both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Brassicaceae	Yes	No	No	No
mustard family	Yes	No	No	No

As nouns, family Brassicaceae and mustard family are synonyms defined as:

family Brassicaceae and mustard family: a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives

Other synonyms of family Brassicaceae include Brassicaceae, Cruciferae, family Cruciferae.

family Brassicaceae (noun)	mustard family (noun)
a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives	a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives