aftertale vs detraction

aftertale

noun
  • Evil talk; slander; defamation. 

  • A postscript added where a story should end. 

  • A postscript added to the end of a story. 

detraction

noun
  • A derogatory or malicious statement; a disparagement, misrepresentation or slander. 

  • The act of detracting something, or something detracted; taking away; diminution. 

  • The act of revealing previously unknown faults of another person to a third person. 

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