Brassicaceae vs Papaverales

Brassicaceae and Papaverales both are nouns.

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

Brassicaceae (noun)	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)