classical guitar vs cleaver

classical guitar

noun
  • A type of flat-tabled guitar of Spanish origin used primarily for Western classical music, flamenco, and Latin American music, with six nylon (formerly gut) strings, usually played with the fingers rather than with a plectrum. 

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. 

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