authorization vs franchisee

authorization

noun
  • An act of authorizing. 

  • (A document giving) formal sanction, permission or warrant. 

  • Permission. 

  • Permission, possibly limited, to spend funds for a specific budgetary purpose. 

franchisee

noun
  • A holder of a franchise; a person who is granted a franchise. 

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