autonym vs matronymic

autonym

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

  • 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. 

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

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

matronymic

noun
  • By extension, a surname or byname acquired from the given name from a female ancestor. 

  • A surname or byname acquired from the given name of one's mother. 

adj
  • Of, relating to, or derived from the given name of one's mother. 

  • By extension; of, relating to, or derived from the given name of a female ancestor. 

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