confront vs repel

confront

verb
  • To stand or meet facing, especially in competition, hostility or defiance; to come face to face with 

  • To set a thing side by side with; to compare. 

  • To deal with. 

  • To put a thing facing to; to set in contrast to. 

  • To come up against; to encounter. 

  • To engage in confrontation. 

  • To bring someone face to face with something. 

repel

verb
  • To cause repulsion or dislike in; to disgust. 

  • To ward off (a malignant influence, attack etc.). 

  • To drive back (an assailant, advancing force etc.). 

  • To reject, put off (a request, demand etc.). 

  • To save (a shot). 

  • To force away by means of a repulsive force. 

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