dirty business vs swindle

dirty business

noun
  • the practice of unethical methods 

  • anal sex 

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 dirty business and swindle occurred in a corpus of books? (source: Google Ngram Viewer )