custody vs insurance

custody

noun
  • The state of being imprisoned or detained, usually pending a trial. 

  • Temporary possession or care of somebody else's property. 

  • The legal right to take care of something or somebody, especially children. 

  • An area under the jurisdiction of a custos within the Order of Friars Minor. 

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 custody and insurance occurred in a corpus of books? (source: Google Ngram Viewer )