brutality vs zooerastia

brutality

noun
  • A cruel or savage act. 

  • The state of being brutal. 

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

zooerastia

noun
  • The practice of a human engaging in sexual intercourse with an animal 

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