Orchidaceae vs genus Orchis

Orchidaceae and genus Orchis both are nouns.

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

Orchidaceae (noun)	genus Orchis (noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers	type genus of the orchid family; hardy terrestrial orchids of the temperate the Northern Hemisphere