busk vs hold out

busk

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

  • To tack, cruise about. 

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

  • A corset. 

hold out

verb
  • To offer, present (a hope, possibility, opportunity etc.) 

  • To hold (something) out; to extend (something) forward. 

  • To set aside something or save it for later. 

  • To wait, or refuse in hopes of getting something better (from a negotiation, etc.) 

  • To withhold something. 

  • To survive, endure. 

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