burke vs garrotte

burke

verb
  • To murder by suffocation. 

  • To smother; to conceal, hush up, suppress. 

  • To murder for the same purpose as Burke, to kill in order to have a body to sell to anatomists, surgeons, etc. 

garrotte

verb
  • To execute by strangulation. 

  • To suddenly render insensible by semi-strangulation, and then to rob. 

noun
  • A cord, wire or similar used for strangulation. 

  • An iron collar formerly used in Spain to execute people by strangulation. 

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