fantastic vs phantasmagoric

fantastic

adj
  • Resembling fantasies in irregularity, caprice, or eccentricity; irregular; grotesque. 

  • Not believable; implausible; seemingly only possible in fantasy. 

  • Existing in or constructed from fantasy; of or relating to fantasy; fanciful. 

  • Wonderful; marvelous; excellent; extraordinarily good or great (used especially as an intensifier). 

phantasmagoric

adj
  • Characterized by or pertaining to a dreamlike blurring of real and imaginary elements. 

  • Characterized by or pertaining to rapid changes in light intensity and colour. 

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