orchid family vs genus Phaius

orchid family and genus Phaius both are nouns.

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

orchid family (noun)	genus Phaius (noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers	genus of Asiatic and Australian terrestrial orchids