castling vs change

castling

noun
  • A miniature cast or mould. 

  • One that is cast. 

  • The act of constructing a defense structure in Japanese chess in which the king (玉) is positioned in a certain way so that it is protected by pawns (歩) and silver general(s) (銀) and/or gold general(s) (金) often with an additional knight (桂) and lance (香車). 

  • A move in which the king moves two squares towards a rook, and the rook moves to the other side of the king; the action of the verb to castle. 

change

noun
  • A replacement. 

  • 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. 

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

  • 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. 

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. 

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