ignore vs put off

ignore

verb
  • To deliberately not listen or pay attention to. 

  • To pretend to not notice someone or something. 

put off

verb
  • To cause to dislike; to discourage (from doing). 

  • To procrastinate. 

  • To emit; to give off (an odor, smoke, etc.). 

  • To distract; to disturb the concentration of. 

  • To delay (a task, event, etc.). 

adj
  • daunted or fazed 

  • offended, repulsed 

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