correction vs illusion

correction

noun
  • A substitution for an error or mistake. 

  • The act of correcting. 

  • An amount or quantity of something added or subtracted so as to correct. 

  • a station's indication that previous information was incorrect and will continue with correct information from the last correct transmitted 

  • Punishment that is intended to rehabilitate an offender. 

  • A decline in a stock market price after a large rise. 

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 correction and illusion occurred in a corpus of books? (source: Google Ngram Viewer )