insurance vs preservation

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 

preservation

noun
  • The act of preserving; care to preserve; act of keeping from destruction, decay or any ill. 

  • The state of being preserved, how something has survived. 

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