actuality vs illusion

actuality

noun
  • An instance or quality of being actual or factual; fact. 

  • Live reporting on current affairs. 

  • The state of existing; existence. 

  • A short early motion picture. 

illusion

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

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

  • A magician’s trick. 

  • The state of being deceived or misled. 

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