expatiate vs shorten

expatiate

verb
  • To range at large, or without restraint. 

  • To write or speak at length; to be copious in argument or discussion. 

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). 

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