aftertale vs obscenity

aftertale

noun
  • Evil talk; slander; defamation. 

  • A postscript added where a story should end. 

  • A postscript added to the end of a story. 

obscenity

noun
  • Specifically, an offensive word; a profanity; a dirty word. 

  • An act of obscene behaviour. 

  • The qualities that make something obscene; lewdness, indecency, or offensive behaviour. 

  • Something that is obscene. 

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