orchid family vs genus Pholidota

orchid family and genus Pholidota both are nouns.

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

orchid family (noun)	genus Pholidota (noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers	genus of mostly epiphytic orchids of Indonesia and the western Pacific