orchid family vs genus Bletia

orchid family and genus Bletia both are nouns.

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

orchid family (noun)	genus Bletia (noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers	genus of tropical American terrestrial orchids with large purple or pink flowers