athame vs cleaver

athame

noun
  • A ceremonial pointed knife or dagger, used especially in Wicca and other neopagan traditions and typically having a black handle with magical symbols on it. 

cleaver

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

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

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

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