author vs begetter

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. 

begetter

noun
  • An originator; a creator. 

  • A procreator; one who begets. 

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