guarantee vs insurance

guarantee

noun
  • A legal assurance of something, e.g. a security for the fulfillment of an obligation. 

  • The person to whom a guarantee is made. 

  • A person who gives such a guarantee; a guarantor. 

  • More specifically, a written declaration that a certain product will be fit for a purpose and work correctly; a warranty 

  • Anything that assures a certain outcome. 

verb
  • To make something certain. 

  • To give an assurance that something will be done right. 

  • To assume or take responsibility for a debt or other obligation. 

insurance

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

  • The business of providing insurance. 

  • 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 

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