dispose of vs swap out

dispose of

verb
  • To have available, or at one's disposal. 

  • To transfer to another's control. 

  • To get rid of. 

  • To arrange in an orderly way. 

  • To deal with conclusively with a threat or a difficult situation. 

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