family Brassicaceae vs genus Crambe

family Brassicaceae and genus Crambe both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Brassicaceae	Yes	No	No	No
genus Crambe	Yes	No	No	No

family Brassicaceae (noun)	genus Crambe (noun)
a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives	annual or perennial herbs with large leaves that resemble the leaves of cabbages