castle vs tile

castle

verb
  • To protect or separate in a similar way. 

  • To house or keep in a castle. 

  • To create a similar defensive position in Japanese chess through several moves. 

  • To bowl a batsman with a full-length ball or yorker such that the stumps are knocked over. 

  • To move the king 2 squares right or left and, in the same turn, the nearest rook to the far side of the king. The move now has special rules: the king cannot be in, go through, or end in check; the squares between the king and rook must be vacant; and neither piece may have been moved before castling. 

noun
  • An instance of castling. 

  • The wicket. 

  • A defense structure in shogi formed by defensive pieces surrounding the king. 

  • A large residential building or compound that is fortified and contains many defences; in previous ages often inhabited by a nobleman or king. Also, a house or mansion with some of the architectural features of medieval castles. 

  • A rook; a chess piece shaped like a castle tower. 

tile

verb
  • To protect from the intrusion of the uninitiated. 

  • To seal a lodge against intrusions from unauthorised people. 

  • To arrange in a regular pattern, with adjoining edges (applied to tile-like objects, graphics, windows in a computer interface). 

  • To optimize (a loop in program code) by means of the tiling technique. 

  • To cover with tiles. 

noun
  • Any of various flat cuboid playing pieces used in certain games, such as dominoes, Scrabble, or mahjong. 

  • A regularly-shaped slab of clay or other material, affixed to cover or decorate a surface, as in a roof-tile, glazed tile, stove tile, carpet tile, etc. 

  • A rectangular graphic. 

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