flotsam vs raffle

flotsam

noun
  • Debris floating in a river or sea, in particular fragments from a shipwreck. 

raffle

noun
  • A drawing, often held as a fundraiser, in which tickets or chances are sold to win a prize. 

  • refuse; rubbish 

verb
  • To participate in a raffle. 

  • To award something by means of a raffle or random drawing, often used with off. 

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