barbarianism vs nefariousness

barbarianism

noun
  • A primitive or simplistic ethos or societal condition; barbarism. 

  • Behaviour appropriate to a barbarian, that is uncivilized, brutal, or crude. 

nefariousness

noun
  • The state or characteristic of being nefarious. 

How often have the words barbarianism and nefariousness occurred in a corpus of books? (source: Google Ngram Viewer )