authority vs dispensation

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. 

dispensation

noun
  • The relaxation of a law in a particular case; permission to do something forbidden, or to omit doing something enjoined; exemption. 

  • In the Roman Catholic Church, an exemption from some ecclesiastical law, or from an obligation to God which a person has incurred of his own free will (oaths, vows, etc.). 

  • That which is dispensed, dealt out, or given; that which is bestowed on someone 

  • The act of dispensing or dealing out; distribution 

  • A system of principles, promises, and rules ordained and administered; scheme; economy 

  • The distribution of good and evil by God to man. 

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