brutality vs kindness

brutality

noun
  • The state of being brutal. 

  • A cruel or savage act. 

  • The use of excessive physical force, often in the form of violence. 

kindness

noun
  • The state of being kind. 

  • An instance of kind or charitable behaviour. 

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