bum around vs slummock

bum around

verb
  • To wander around idly to no purpose; to loaf or loiter. 

slummock

verb
  • To behave lazily or indolently 

  • To behave awkwardly or clumsily 

noun
  • A slovenly person 

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