fantastical vs kaleidoscopic

fantastical

adj
  • Of or pertaining to fantasy. 

  • Fantastic. 

  • Fanciful or whimsical. 

kaleidoscopic

adj
  • Of, relating to, or produced by a kaleidoscope. 

  • Brightly coloured and continuously changing in pattern, as if in a kaleidoscope. 

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