brutality vs repression

brutality

noun
  • The state of being brutal. 

  • A cruel or savage act. 

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

repression

noun
  • The act of repressing; state of being repressed. 

  • The involuntary rejection from consciousness of painful or disagreeable ideas, memories, feelings, or impulses. 

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