rake in vs swap out

rake in

verb
  • to receive or to collect a large quantity of (something, especially money) 

  • to collect something such as leaves into a pile, often with a rake 

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