shortchange vs swap out

shortchange

verb
  • To deprive someone of something for which they paid. 

  • To make disadvantaged by design. 

  • To defraud someone by giving them less change than they should be given after a transaction. 

swap out

verb
  • To exchange (something or someone) for an unused (or less-used) equivalent. 

  • To exchange (something) for (something else). (usually followed by with or for) 

  • To transfer (memory contents) into a swap file. 

noun
  • Anything that is swapped out for another; an exchange. 

  • A pre-prepared food item used in place of an unfinished food item in order to cut down the overall preparation time during filming. 

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