werewolfdom vs werewolfism

werewolfdom

noun
  • The state of being a werewolf; werewolfism; lycanthropy. 

  • The world of werewolves. 

werewolfism

noun
  • lycanthropy; the transformation of a person into a wolf 

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