busk vs get behind

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. 

get behind

verb
  • To have a trip or any pleasurable experience with drugs. 

  • To support, to cheer on. 

  • To come to believe something; to change one's mind into a new position. 

  • To appreciate, to enjoy. 

  • Used other than figuratively or idiomatically: see get, behind. 

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