palm family vs genus Phytelephas

palm family and genus Phytelephas both are nouns.

Word	Noun	Adjective	Verb	Adverb
palm family	Yes	No	No	No
genus Phytelephas	Yes	No	No	No

palm family (noun)	genus Phytelephas (noun)
chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales	small genus of South American feather palms