castling vs transfer

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. 

transfer

noun
  • A design conveyed by contact from one surface to another; a heat transfer. 

  • A person who transfers or is transferred from one club or team to another. 

  • The act of conveying or removing something from one place, person or thing to another. 

  • An instance of conveying or removing from one place, person or thing to another; a transferal. 

  • A soldier removed from one troop, or body of troops, and placed in another. 

  • A pathological process by which a unilateral morbid condition on being abolished on one side of the body makes its appearance in the corresponding region upon the other side. 

  • An act of exiting one mass transit vehicle and boarding another (typically one belonging to a different line or mode of transportation) to continue a journey. 

  • A paper receipt given to a rider of one bus (and historically also certain elevated or subway lines), allowing free entry onto another bus to continue a journey. 

  • The conveying of genetic material from one cell to another. 

  • A conventional bid which requests partner to bid the next available suit. 

verb
  • To be or become transferred. 

  • To arrange for something to belong to or be officially controlled by somebody else. 

  • To exit one mass transit vehicle and board another (typically one belonging to a different line or mode of transportation) to continue a journey. 

  • To move or pass from one place, person or thing to another. 

  • To convey the impression of (something) from one surface to another. 

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