insurance vs reassurance

insurance

noun
  • An insurance policy 

  • 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. 

reassurance

noun
  • Reinsurance. 

  • The act of confirming someone's opinion or impression. 

  • The feeling of being reassured, of having confidence restored, of having apprehensions dispelled. 

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