cynanthropy vs werewolfery

cynanthropy

noun
  • A delusion in which a person believes he or she is transformed into a dog. 

  • A shape-shifting ability between human and canine forms. 

werewolfery

noun
  • Synonym of werewolfism 

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