Satanic vs demoniac

Satanic

adj
  • Of, pertaining to or resembling Satan (the Devil). 

demoniac

adj
  • Of or pertaining to demons; demonic. 

  • Possessed or controlled by a demon. 

noun
  • Someone who is possessed by a demon. 

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