augury vs horoscopy

augury

noun
  • An omen or prediction; a foreboding; a prophecy. 

  • A divination based on the appearance and behaviour of animals. 

  • An event that is experienced as indicating important things to come. 

horoscopy

noun
  • The casting of horoscopes. 

  • The aspect of the stars at the time of a person's birth. 

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