behead vs butcher

behead

verb
  • To deliberately remove the head of; to cut off (someone's) head. 

butcher

verb
  • To ruin (something), often to the point of defamation. 

  • To work as a butcher. 

  • To slaughter (animals) and prepare (meat) for market. 

  • To mess up hopelessly; to botch. 

  • To kill brutally. 

noun
  • A look. 

  • A brutal or indiscriminate killer. 

  • A person who prepares and sells meat (and sometimes also slaughters the animals). 

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