busk vs yark

busk

verb
  • To tack, cruise about. 

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

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

  • A corset. 

yark

verb
  • To make ready; prepare. 

  • To hit, strike, especially with a cane or whip. 

  • To crack (a whip). 

  • To draw (stitches etc.) tight. 

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