slummock vs truant

slummock

verb
  • To behave lazily or indolently 

  • To behave awkwardly or clumsily 

noun
  • A slovenly person 

truant

verb
  • To idle away; to waste. 

  • To play truant. 

  • To idle away time. 

noun
  • One who is absent without permission, especially from school. 

adj
  • Wandering from business or duty; straying; loitering; idle, and shirking duty. 

  • Absent without permission, especially from school. 

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