avert vs veer

avert

verb
  • To turn aside or away. 

  • To ward off, or prevent, the occurrence or effects of. 

veer

verb
  • To turn. 

  • To shift in a clockwise direction (if in the Northern Hemisphere, or in a counterclockwise direction if in the Southern Hemisphere). 

  • To change direction or course suddenly; to swerve. 

  • To shift aft. 

  • To change direction into the wind; to wear ship. 

noun
  • A turn or swerve; an instance of veering. 

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