orchid family vs genus Trichoceros

orchid family and genus Trichoceros both are nouns.

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

orchid family (noun)	genus Trichoceros (noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers	small genus of small epiphytic or terrestrial orchids of tropical South America