mustard family vs order Rhoeadales

mustard family and order Rhoeadales both are nouns.

Word	Noun	Adjective	Verb	Adverb
mustard family	Yes	No	No	No
order Rhoeadales	Yes	No	No	No

mustard family (noun)	order Rhoeadales (noun)
a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives	an order of dicotyledonous plants, containing the families Capparidaceae, Cruciferae, Moringaceae, Papaveraceae, Resedaceae, and Tovariaceae (Rhoeadales, Papaverales)