mustard family vs watercress

mustard family and watercress both are nouns.

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

mustard family (noun)	watercress (noun)
a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives	cresses that grow in clear ponds and streams
	any of several water-loving cresses

mustard family (adjective)	watercress (adjective)
	of a moderate yellow-green color that is greener and deeper than moss green and yellower and darker than pea green