Bacchanalian vs bacchanal

Bacchanalian

adj
  • Of or pertaining to the festival of Bacchus; relating to or given to reveling and drunkenness. 

noun
  • A bacchanal; a drunken reveler. 

bacchanal

adj
  • Engaged in drunken revels; drunken and riotous or noisy. 

  • Relating to Bacchus or his festival. 

noun
  • A devotee of Bacchus. 

  • Someone who indulges in drunken partying; someone noisy and riotous when intoxicated. 

  • Drunken revelry; an orgy. 

  • drama, ruckus, fiasco 

  • The festival of Bacchus; the bacchanalia. 

  • A song or a dance in honor of Bacchus. 

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