violence vs savagery

violence and savagery both are nouns.

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

As nouns, savagery is a hyponym of violence; that is, savagery is a word with a more specific, narrower meaning than violence:

Other hyponyms of violence include savageness.

violence (noun)	savagery (noun)
an act of aggression (as one against a person who resists)	a brutal barbarous savage act
the property of being wild or turbulent	the trait of extreme cruelty
a turbulent state resulting in injuries and destruction etc.	the property of being untamed and ferocious