agree to pay vs insure

agree to pay

insure

verb
  • To deal in such contracts; subscribe to a policy of insurance 

  • To provide for compensation if some specified risk occurs. Often agreed by policy (contract) to offer financial compensation in case of an accident, theft or other undesirable event. 

How often have the words agree to pay and insure occurred in a corpus of books? (source: Google Ngram Viewer )