authorization vs permit

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. 

permit

noun
  • A learner's permit. 

  • A pompano of the species Trachinotus falcatus. 

  • An artifact or document rendering something allowed or legal. 

verb
  • To allow (something) to happen, to give permission for. 

  • To allow for, to make something possible. 

  • To allow, to admit (of). 

  • To grant formal authorization for (something). 

  • To attempt to obtain or succeed in obtaining formal authorization for (something). 

  • To allow (someone) to do something; to give permission to. 

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