musical saw vs rabbet

musical saw

noun
  • A musical instrument consisting of a thin sheet of metal, or sometimes a saw, usually played with a bow. 

rabbet

noun
  • A longitudinal channel, groove, or recess cut out of the edge or face of a plank of wood or other material; especially, one intended to fit another member to form a joint; a rebate. 

verb
  • To cut a rabbet in a piece of material. 

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