Orchidaceae vs genus Cleistes

Orchidaceae and genus Cleistes both are nouns.

Word	Noun	Adjective	Verb	Adverb
Orchidaceae	Yes	No	No	No
genus Cleistes	Yes	No	No	No

Orchidaceae (noun)	genus Cleistes (noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers	terrestrial orchids of North and South America having slender fibrous roots; allied to genus Pogonia