devour vs slummock

devour

verb
  • To eat quickly, greedily, hungrily, or ravenously. 

  • To take in avidly with the intellect or with one's gaze. 

  • To rapidly destroy, engulf, or lay waste. 

  • To absorb or engross the mind fully, especially in a destructive manner. 

slummock

verb
  • To behave lazily or indolently 

  • To behave awkwardly or clumsily 

noun
  • A slovenly person 

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