HORSE vs pawn

HORSE

noun
  • A poker variant consisting of five different poker variants, with the rules changing from one variant to the next after every hand. 

pawn

noun
  • The most numerous chess piece, or a similar piece in a similar game. In chess, each side starts with eight; moves are only forward, and attacks are only diagonally or en passant. 

  • A gallery. 

  • Someone who is being manipulated or used to some end. 

  • An instance of pawning something. 

  • A pawnshop; pawnbroker. 

  • The state of being held as security for a loan, or as a pledge. 

verb
  • To give as security on a loan of money; especially, to deposit (something) at a pawn shop. 

  • To pledge; to stake or wager. 

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