Saturnalian vs villainous

Saturnalian

adj
  • of or pertaining to Saturnalia 

  • riotously merry; dissolute 

villainous

adj
  • Of, relating to, or appropriate to a villain. 

  • Wicked, offensive, or reprehensible in nature or behaviour; nefarious. 

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