barbarism vs barbarity

barbarism and barbarity both are nouns.

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

As nouns, barbarism and barbarity are synonyms defined as:

Other synonyms of barbarism include brutality, savagery.

barbarism (noun)	barbarity (noun)
a brutal barbarous savage act	a brutal barbarous savage act
	the quality of being shockingly cruel and inhumane