slush fund vs swindle

slush fund

noun
  • Money stored for illegal or dishonest purposes. 

  • Money that has not been hypothecated or dedicated to a particular purpose, or which is used for a different purpose than originally intended. 

swindle

noun
  • An instance of swindling. 

  • when a player in a losing position plays a clever move that provokes an error from the opponent, thus achieving a win or a draw 

  • Anything that is deceptively not what it appears to be. 

verb
  • for a player in a losing position to play a clever move that provokes an error from the opponent, thus achieving a win or a draw 

  • To defraud. 

  • To obtain (money or property) by fraudulent or deceitful methods. 

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