life insurance vs undertaking

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). 

undertaking

noun
  • The business of an undertaker, or the management of funerals. 

  • A promise or pledge; a guarantee. 

  • That which is undertaken; any business, work, or project which a person engages in, or attempts to perform; an enterprise. 

  • The act of one who undertakes (in either sense). 

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