mantic vs revelatory

mantic

adj
  • Relating to divination; prophetic. 

noun
  • A soothsayer, a seer. 

revelatory

adj
  • Prophetic (especially of doom); apocalyptic 

  • Of, pertaining to, or in the nature of a revelation 

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