puff up vs shorten

puff up

verb
  • To inflate with air. 

  • To swell due to injury or illness. 

  • To become proud. (Often written as puffed up with pride.) 

  • To fluff up, such as an animal raising its fur or feathers to appear larger or conserve body heat. 

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 puff up and shorten occurred in a corpus of books? (source: Google Ngram Viewer )