autonym vs denomination

autonym

noun
  • A name used by a group or category of people to refer to themselves or their language, as opposed to a name given to them by other groups. 

  • An infraspecific name in which the specific epithet is repeated. 

  • A work published under the author's true name. 

  • The true name of a person or other entity, especially an author. 

denomination

noun
  • That by which anything is denominated or styled; an epithet; a name, designation, or title; especially, a general name indicating a class of like individuals. 

  • A unit in a series of units of weight, money, etc. 

  • A class, or society of individuals, called by the same name; a subdivision of a religion. 

  • The act of naming or designating. 

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