cosh vs pepper spray

cosh

verb
  • To strike with a weapon of this kind. 

noun
  • A blunt instrument such as a bludgeon or truncheon. 

  • A weapon made of leather-covered metal similar to a blackjack. 

adj
  • cosy; snug 

pepper spray

verb
  • To douse (someone or something) with pepper spray. 

noun
  • A non-lethal chemical agent derived from peppers used in riot control and personal self-defense. 

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