horoscopy vs palmistry

horoscopy

noun
  • The casting of horoscopes. 

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

palmistry

noun
  • Telling fortunes from the lines on the palms of the hand. 

  • A book on palmistry; a system of palmistry. 

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