bash vs coup de grâce

bash

noun
  • A forceful blow or impact. 

  • An attempt at doing something. 

  • A large party; a gala event. 

verb
  • To strike heavily. 

  • To criticize harshly. 

  • To collide; used with into or together. 

coup de grâce

noun
  • A final blow or shot given to kill a wounded person or animal. 

  • A remarkable finishing action. 

How often have the words bash and coup de grâce occurred in a corpus of books? (source: Google Ngram Viewer )