Orchidaceae vs order Orchidales

Orchidaceae and order Orchidales both are nouns.

Word	Noun	Adjective	Verb	Adverb
Orchidaceae	Yes	No	No	No
order Orchidales	Yes	No	No	No

Orchidaceae (noun)	order Orchidales (noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers	order of plants with irregular flowers having minute seeds: Orchidaceae; Burmanniaceae