fantastical vs lunatic

fantastical

adj

  • Fanciful or whimsical. 

  • Fantastic. 

  • Of or pertaining to fantasy. 

lunatic

adj

  • Crazed, mad, insane, demented. 

noun

  • An insane person. 

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