Orchidales vs Orchidaceae

Orchidales and Orchidaceae both are nouns.

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

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