established vs insured

established

adj
  • Explicitly defined, described or recognized as a reference. 

  • Of a religion, church etc.: formally recognized by a state as being official within that area. 

  • Having been in existence for a long time and therefore recognized and generally accepted. 

insured

adj
  • Covered by an insurance policy. 

noun
  • The person or persons whose interests are protected by an insurance policy. 

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