begetter vs genitor

begetter

noun
  • An originator; a creator. 

  • A procreator; one who begets. 

genitor

noun
  • a generator; an originator 

  • a biological parent (either male or female), or the direct cause of an offspring. 

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