auteur vs author

auteur

noun
  • A creative artist, especially a film director, seen as having a specific, recognisable artistic vision, and who is seen as the single or preeminent ‘author’ of his works. 

author

noun
  • The originator or creator of a work, especially of a literary composition. 

  • Someone who writes books for a living. 

verb
  • To create a work as its author. 

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