housebroken vs household

housebroken

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

household

noun
  • Collectively, all the persons who live in a given house; a family including attendants, servants etc.; a domestic or family establishment. 

adj
  • Widely known to the public; familiar. 

  • Belonging to the same house and family. 

  • Found in or having its origin in a home. 

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