deathblow vs finisher

deathblow

noun
  • A strike or blow that leads to death, especially a coup de grace. 

  • Something that prevents the completion, or ends the existence, of a project etc.; a fatal setback. 

finisher

noun
  • The blow that ends a fight; the knock-out blow. 

  • A substitute player who plays at the end of the game. 

  • The person who applies the gilding and decoration in bookbinding. 

  • A construction machine used to smooth a newly constructed road surface. 

  • A player who scores points for their team. 

  • A person who applies a finish to something, such as furniture. 

  • A finishing move. 

  • A person who finishes or completes something. 

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