violent vs violence

violent is not a noun while violence is a noun.

Word	Noun	Adjective	Verb	Adverb
violent	No	Yes	No	No
violence	Yes	No	No	No

violent (noun)	violence (noun)
	an act of aggression (as one against a person who resists)
	the property of being wild or turbulent
	a turbulent state resulting in injuries and destruction etc.

violent (adjective)	violence (adjective)
acting with or marked by or resulting from great force or energy or emotional intensity
characterized by violence or bloodshed
effected by force or injury rather than natural causes
marked by extreme intensity of emotions or convictions; inclined to react violently; fervid
(of colors or sounds) intensely vivid or loud