Titanian vs titanical

Titanian

noun
  • An inhabitant of Titan (the Saturnian moon) or of Titania 

adj
  • Of the Titans 

  • Of the faerie queen Titania 

  • Of Titania, the largest moon of Uranus. 

  • Of Titan, the largest moon of Saturn. 

titanical

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