spend vs swap out

spend

verb
  • To pay out (money). 

  • To waste or wear away; to be consumed. 

  • To bestow; to employ; often with on or upon. 

  • To exhaust, to wear out. 

  • To be diffused; to spread. 

  • To consume, to use up (time). 

  • To break ground; to continue working. 

noun
  • Discharged semen. 

  • Expenditures; money or pocket money. 

  • Vaginal discharge. 

  • Amount of money spent (during a period); expenditure. 

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 spend and swap out occurred in a corpus of books? (source: Google Ngram Viewer )