jackpot vs stroke/run of luck

jackpot

verb
  • To issue a jackpot. 

noun
  • A jumble of felled timber. 

  • A large cash prize or money. 

  • A concentration of surface wood or fuel. 

  • A large accumulated point bonus, originally awarded after a long set of actions but now often easily available in multiball modes. 

  • An unexpected windfall or reward. 

  • A money prize pool which accumulates until the conditions are met for it to be won. 

  • A difficult situation. 

stroke/run of luck

How often have the words jackpot and stroke/run of luck occurred in a corpus of books? (source: Google Ngram Viewer )