coup de grâce vs douse

coup de grâce

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

  • A remarkable finishing action. 

douse

noun
  • A blow or strike, especially to the face. 

  • A sudden plunging into water. 

verb
  • To put out; to extinguish. 

  • To strike or lower in haste; to slacken suddenly 

  • To plunge suddenly into water; to duck; to immerse. 

  • To strike, beat, or thrash. 

  • To fall suddenly into water. 

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