shorten vs unfurl

shorten

verb
  • To reduce or diminish in amount, quantity, or extent; to lessen. 

  • To take in the slack of (a rope). 

  • To reduce (sail) by taking it in. 

  • To become shorter. 

  • To make shorter; to abbreviate. 

  • To make short or friable, as pastry, with butter, lard, etc. 

  • To make deficient (as to); to deprive (of). 

unfurl

verb
  • To roll out or debut anything. 

  • To open up by unrolling. 

  • To turn out or unfold; to evolve; to progress. 

  • To unroll or release something that had been rolled up, typically a sail or a flag. 

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