Brassicaceae vs order Papaverales

Brassicaceae and order Papaverales both are nouns.

Word	Noun	Adjective	Verb	Adverb
Brassicaceae	Yes	No	No	No
order Papaverales	Yes	No	No	No

Brassicaceae (noun)	order Papaverales (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)