ricochet vs snap back

ricochet

verb
  • To operate upon by ricochet firing. 

  • To rebound off something wildly in a seemingly random direction. 

noun
  • A method of firing a projectile so that it skips along a surface. 

  • An instance of ricocheting; a glancing rebound. 

snap back

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