fantastical vs otherworldly

fantastical

adj
  • Of or pertaining to fantasy. 

  • Fantastic. 

  • Fanciful or whimsical. 

otherworldly

adj
  • Of, concerned with, or preoccupied with a different world than that of the tangible here and now, such as a heavenly, spiritual, or imaginary world. 

  • Not belonging to the real world; unnatural; odd and unfamiliar. 

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