autonym vs writing

autonym

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

  • 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. 

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

writing

noun
  • A work of an author. 

  • Something written, such as a document, article or book. 

  • The process of representing a language with symbols or letters. 

  • The style of writing of a person. 

  • Intended for or used in writing. 

  • Graphism of symbols such as letters that express some meaning. 

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