slummock vs vegetate

slummock

verb
  • To behave lazily or indolently 

  • To behave awkwardly or clumsily 

noun
  • A slovenly person 

vegetate

verb
  • To live or spend a period of time in a dull, inactive, unchallenging way. 

  • To grow or sprout. 

  • To spread abnormally. 

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