hellion vs werewolf

hellion

noun
  • An evil person. 

  • The larva of the dobsonfly. 

  • An unruly, rowdy or mischievous person. 

adj
  • Cursed, ill-fated. 

werewolf

noun
  • A person who is transformed or can transform into a wolf or a wolflike human, often said to transform during a full moon. 

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