Boraginaceae vs order Polemoniales

Boraginaceae and order Polemoniales both are nouns.

Word	Noun	Adjective	Verb	Adverb
Boraginaceae	Yes	No	No	No
order Polemoniales	Yes	No	No	No

Boraginaceae (noun)	order Polemoniales (noun)
a widely distributed family of plants distinguished by circinate flowers and nutlike fruit	Polemoniaceae, Solanaceae, Boraginaceae, Labiatae, Lentibulariaceae, Pedaliaceae; in some classifications includes the order Scrophulariales