scumbug vs unperson

scumbug

noun
  • A sleazy, disreputable or despicable person; lowlife. 

unperson

noun
  • A human who has been stripped of rights, identity or humanity. 

verb
  • To strip (a human being) of rights, identity or humanity. 

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