pull out vs shorten

pull out

verb
  • To draw out or lengthen. 

  • To maneuver a vehicle from the side of a road onto the lane. 

  • To use coitus interruptus as a method of birth control. 

  • To remove something from a container. 

  • To withdraw; especially of military forces; to retreat. 

  • To transition from a dive to level or climbing flight. 

  • Used other than figuratively or idiomatically: see pull, out. 

shorten

verb
  • To make shorter; to abbreviate. 

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

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

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