insurance vs toss up

insurance

noun
  • The business of providing insurance. 

  • A means of indemnity against a future occurrence of an uncertain event. 

  • The car was totalled, but fortunately I had insurance. 

  • Any attempt to forestall an unfavorable event. 

  • A bet made after the deal, which pays off if the dealer has blackjack. 

  • An insurance policy 

toss up

verb
  • To produce, generate. 

  • To casually mention as an idea. 

  • To vomit. 

  • To beat up, thrash. 

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

  • To cook something quickly. 

  • To throw something upwards. 

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