encouragement vs life insurance

encouragement

noun
  • Something that incites, supports, promotes, protects or advances; incentive 

  • Words or actions that increase someone's confidence 

  • The feeling of being encouraged 

  • The act of encouraging 

life insurance

noun
  • A form of insurance on the life of a person. If the person dies then the insurance policy pays out a sum of money to the beneficiary (such as a person's family). 

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