change vs swap

change

noun
  • Small denominations of money given in exchange for a larger denomination. 

  • The process of becoming different. 

  • A change-up pitch. 

  • An amount of cash, usually in the form of coins, but sometimes inclusive of paper money. 

  • Balance of money returned from the sum paid after deducting the price of a purchase. 

  • A transfer between vehicles. 

  • Any order in which a number of bells are struck, other than that of the diatonic scale. 

  • A replacement. 

verb
  • To replace one's clothing. 

  • To replace the clothing of (the one wearing it). 

  • To change hand while riding (a horse). 

  • To transfer to another vehicle (train, bus, etc.) 

  • To become something different. 

  • To make something into something else. 

  • To replace. 

swap

noun
  • A financial derivative in which two parties agree to exchange one stream of cashflow against another stream. 

  • An exchange of two comparable things. 

  • A social meal at a restaurant between two university societies, usually involving drinking and banter; commonly associated with fining and pennying; equivalent to a crewdate at Oxford University. 

  • Space available in a swap file for use as auxiliary memory. 

verb
  • To exchange or give (something) in an exchange (for something else). 

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