illusion vs magic user

illusion

noun
  • A magician’s trick. 

  • A misapprehension; a belief in something that is in fact not true. 

  • Anything that seems to be something that it is not. 

  • The state of being deceived or misled. 

magic user

noun
  • One who uses (or has skill with) magic. 

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