buttface vs slummock

buttface

noun
  • A person with an ugly face. 

  • A dislikable person, a disagreeable person. 

slummock

noun
  • A slovenly person 

verb
  • To behave awkwardly or clumsily 

  • To behave lazily or indolently 

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