barbarism vs savagery

barbarism and savagery both are nouns.

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

As nouns, barbarism and savagery are synonyms defined as:

Other synonyms of barbarism include barbarity, brutality.

barbarism (noun)	savagery (noun)
a brutal barbarous savage act	a brutal barbarous savage act
	the trait of extreme cruelty
	the property of being untamed and ferocious