busk vs grapnel

busk

noun
  • A strip of metal, whalebone, wood, or other material, worn in the front of a corset to stiffen it. 

  • A corset. 

verb
  • To solicit money by entertaining the public in the street or in public transport. 

  • To tack, cruise about. 

grapnel

noun
  • A grappling iron. 

  • A device with a multiple hook at one end and attached to a rope, which is thrown or hooked over a firm mooring to secure an object attached to the other end of the rope. 

  • A small anchor, having more than two flukes, used for anchoring a small vessel. 

verb
  • To connect (ships) with a grapnel. 

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