commerce vs swap out

commerce

noun
  • The exchange or buying and selling of commodities; especially the exchange of merchandise, on a large scale, between different places or communities; extended trade or traffic. 

  • An 18th-century French card game in which the cards are subject to exchange, barter, or trade. 

  • Social intercourse; the dealings of one person or class in society with another; familiarity. 

swap out

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. 

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

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

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

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