domestic violence vs violence

domestic violence and violence both are nouns.

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

As nouns, violence is a hypernym of domestic violence; that is, violence is a word with a broader meaning than domestic violence:

domestic violence: violence or physical abuse directed toward your spouse or domestic partner or other members of a household
violence: an act of aggression (as one against a person who resists)

Other hypernyms of domestic violence include force.

domestic violence (noun)	violence (noun)
violence or physical abuse directed toward your spouse or domestic partner or other members of a household	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.