cryptozoic vs mystic

cryptozoic

adj
  • Relating to a cryptozoite. 

  • Living in a cavity or small cave. 

  • Hidden (especially in the soil); not easily visible. 

mystic

adj
  • Mysterious and strange; arcane, obscure or enigmatic. 

  • Of, or relating to mystics, mysticism or occult mysteries; mystical. 

noun
  • Someone who practices mysticism. 

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