Satanical vs demoniac

Satanical

adj

  • Satanic. 

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 Satanical and demoniac occurred in a corpus of books? (source: Google Ngram Viewer )