canvers vs dap

canvers

dap

verb
  • To drop the bait gently onto the surface of the water. 

  • To run or go somewhere quickly. 

  • To create a hollow indentation. 

  • To greet with a dap. 

noun
  • Elaborate handshake, especially hooking thumbs. 

  • A fist bump. 

  • A plimsoll. 

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