barbarity vs monstrousness

barbarity

noun
  • The state of being barbarous; brutality 

  • A crude act 

  • crudity 

  • A barbaric act 

monstrousness

noun
  • The state or condition of being monstrous. 

  • Something monstrous. 

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