demoniacal vs immoral

demoniacal

adj
  • Pertaining to, characteristic of, or produced by a demon or evil spirit; devilish, demonic, fiendish. 

immoral

adj
  • Breaching principles of natural law, rectitude, or justice, and so inconsistent with the demands of virtue, purity, or "good morals"; not right, not moral. (Compare unethical, illegal.) 

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