good riddance vs peace out

good riddance

intj
  • Used to indicate that a departure or loss is welcome. 

peace out

intj
  • Go in peace. 

  • See you later. 

verb
  • To render unconscious. 

  • To experience an altered state of consciousness. 

  • To become unconscious; to pass out. 

  • To depart. 

How often have the words good riddance and peace out occurred in a corpus of books? (source: Google Ngram Viewer )