decapitation vs strangulation

decapitation

noun
  • Beheading; the act of beheading or decapitating. 

  • The ousting or destruction of the ruling body of a government or other organization. 

  • The unseating of a senior politician. 

strangulation

noun
  • The act of strangling or the state of being strangled. 

  • The constriction of the air passage or other body part that cuts off the flow of a fluid. 

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