cacodemonic vs demoniac

cacodemonic

adj

  • Demonic. 

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