divinatory vs prognostic

divinatory

adj
  • Pertaining to divination. 

prognostic

adj
  • Of, pertaining to or characterized by prognosis or prediction. 

noun
  • prognosis 

  • One who predicts the future. 

  • A sign by which a future event may be known or foretold. 

  • A prediction of the future. 

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