raffle vs toss up

raffle

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

  • To participate in a raffle. 

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

  • refuse; rubbish 

toss up

verb
  • To make a decision based on chance, for example by flipping a coin or rolling a dice. 

  • To produce, generate. 

  • To casually mention as an idea. 

  • To vomit. 

  • To beat up, thrash. 

  • To cook something quickly. 

  • To throw something upwards. 

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