derangement vs lycanthropy

derangement

noun
  • An act or instance of deranging. 

  • A permutation of a set such that no element is in its previous position. 

  • The property of being deranged. 

lycanthropy

noun
  • A delusion in which one believes oneself to be a wolf or other wild animal. 

  • The state of being a person who can shapeshift between the form of a human being and an animal, whether or not it is a wolf. 

  • The state of being a lycanthrope (or werewolf), a person who can shapeshift between the form of a human being and a wolf, often said to happen involuntarily during a full moon; werewolfdom. 

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