authority vs determiner

authority

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

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

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

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

  • 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. 

determiner

noun
  • Someone (a sentient agent) who determines; a decider of a disposition. 

  • A member of a class of words functioning in a noun phrase to identify or distinguish a referent without describing or modifying it. 

  • A dependent function in a noun phrase marking the NP as definite or indefinite. This function is usually filled by words in the determinative class but may be filled by other elements such as a genitive pronoun. 

  • Something (some input factor, a nonsentient agent) that determines, or helps someone to determine, something else. 

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