vinifera vs genus Vitis

vinifera and genus Vitis both are nouns.

Word	Noun	Adjective	Verb	Adverb
vinifera	Yes	No	No	No
genus Vitis	Yes	No	No	No

vinifera (noun)	genus Vitis (noun)
common European grape cultivated in many varieties; chief source of Old World wine and table grapes	the type genus of the family Vitaceae; woody vines with simple leaves and small flowers; includes a wide variety of grapes