man-killer vs slasher

man-killer

noun
  • A murderer. 

  • An animal that kills humans. 

  • Someone who habitually seduces men. 

slasher

noun
  • A murderer in such a film. 

  • A tool for cutting undergrowth. 

  • One who slashes. 

  • A horror movie with graphic blood and violence; a slasher movie. 

  • A machine for applying size to warp yarns. 

  • One who self-injures by cutting. 

  • One who writes slash fiction and/or supports male/male ships. 

How often have the words man-killer and slasher occurred in a corpus of books? (source: Google Ngram Viewer )