enchantment vs sortilege

enchantment

noun
  • Something that enchants; a magical spell. 

  • The act of enchanting or the feeling of being enchanted. 

sortilege

noun
  • Witchcraft, magic, especially as a means of making decisions or predictions. 

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