lout vs slummock

lout

noun
  • A clownish, awkward fellow; a bumpkin. 

  • A troublemaker, often violent; a rude violent person; a yob. 

slummock

noun
  • A slovenly person 

verb
  • To behave awkwardly or clumsily 

  • To behave lazily or indolently 

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