sortilege vs trickery

sortilege

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

trickery

noun
  • An instance of deception, underhanded behavior, dressing up, imposture, artifice, etc. 

  • The art of dressing up; imposture. 

  • Artifice; the use of one or more stratagems. 

  • Deception or underhanded behavior. 

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