schlepper vs slummock

schlepper

noun
  • One who wanders aimlessly. 

  • A servant who carries things; a porter. 

  • Any manual laborer, or other lowly employee. 

slummock

noun
  • A slovenly person 

verb
  • To behave awkwardly or clumsily 

  • To behave lazily or indolently 

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