give security to vs insure

give security to

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 give security to and insure occurred in a corpus of books? (source: Google Ngram Viewer )