housebroken vs violent

housebroken

adj
  • Of animals: trained to avoid urinating or defecating in the house, except within a litterbox, toilet, or other receptacle. 

violent

adj
  • Produced or effected by force; not spontaneous; unnatural. 

  • Involving extreme force or motion. 

  • Involving physical conflict. 

  • Likely to use physical force. 

  • Intensely vivid. 

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