orchid family vs genus Dracula

orchid family and genus Dracula both are nouns.

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

orchid family (noun)	genus Dracula (noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers	comprises tropical American species usually placed in genus Masdevallia: diminutive plants having bizarre and often sinister-looking flowers with pendulous scapes and motile lips