aftertale vs afterword

aftertale

noun
  • A postscript added to the end of a story. 

  • A postscript added where a story should end. 

  • Evil talk; slander; defamation. 

afterword

noun
  • a postscript. 

  • an appendix. 

  • an epilogue. 

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