p*rn vs porn

p*rn

noun
  • Censored spelling of porn. 

porn

noun
  • Pornography. 

  • Material, usually visual, presenting something desirable in a sensational manner. 

  • A pornographic work. 

  • Material that provides illicit gratification of an obsessive or unhealthy interest in something. 

How often have the words p*rn and porn occurred in a corpus of books? (source: Google Ngram Viewer )