drowse vs slummock

drowse

verb
  • To make heavy with sleepiness or imperfect sleep; to make dull or stupid. 

  • To nod off; to fall asleep. 

  • To be sleepy and inactive. 

  • To advance drowsily. (Used especially in the phrase "drowse one's way" ⇒ sleepily make one's way.) 

noun
  • The state of being sleepy and inactive. 

slummock

verb
  • To behave lazily or indolently 

  • To behave awkwardly or clumsily 

noun
  • A slovenly person 

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