cleaver vs machine gun

cleaver

noun
  • A type of clave, or rhythm stick, a concussive musical instrument used in traditional Bahamian music. 

  • A squarish, heavy knife used by butchers for hacking through bones, etc. 

  • The act of eliminating someone or something, especially when done by someone with a history of other eliminations; a dismissal, rejection, or removal. 

machine gun

noun
  • A type of fully automatic firearm that fires bullets in rapid succession by a single action of the trigger and is capable of sustained fire. 

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