authority vs permit

authority

noun
  • Official permission; authorisation to act in some capacity on behalf of a ruling entity. 

  • A reliable, definitive source of information on a subject. 

  • Persons, regarded collectively, who occupy official positions of power; police or law enforcement. 

  • A government-owned agency that runs a revenue-generating activity for public benefit. 

  • Status as a trustworthy source of information, reputation for mastery or expertise; or claim to such status or reputation. 

  • Power or right to make or enforce rules or give orders; or a position having such power or right. 

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 authority and permit occurred in a corpus of books? (source: Google Ngram Viewer )