orchid family vs genus Rhyncostylis

orchid family and genus Rhyncostylis both are nouns.

Word	Noun	Adjective	Verb	Adverb
orchid family	Yes	No	No	No
genus Rhyncostylis	Yes	No	No	No

orchid family (noun)	genus Rhyncostylis (noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers	genus of epiphytic orchids of tropical Asia