fabrication vs illusion

fabrication

noun
  • That which is fabricated; a falsehood 

  • The act of cutting up an animal carcass as preparation for cooking; butchery. 

  • The act of fabricating, framing, or constructing; construction; manufacture 

illusion

noun
  • The state of being deceived or misled. 

  • 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. 

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