busk vs defer

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. 

defer

verb
  • To delay, to wait. 

  • To submit to the opinion or desire of others in respect to their judgment or authority. 

  • To render, to offer. 

  • To delay or postpone 

  • to postpone induction into military service. 

  • After winning the opening coin toss, to postpone until the start of the second half a team's choice of whether to kick off or receive (and to allow the opposing team to make this choice at the start of the first half). 

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