death march vs trounce

death march

noun
  • A forced movement of people, on foot, in such circumstances that many die during the journey. 

  • Synonym of dead march (“mournful music for a funeral etc.”) 

  • A project that requires a stretch of unsustainable overwork, or whose participants feel it is destined to fail. 

trounce

noun
  • A walk involving some difficulty or effort; a trek, a tramp, a trudge. 

  • A journey involving quick travel; also, one that is dangerous or laborious. 

  • An act of trouncing: a severe beating, a thrashing; a thorough defeat. 

verb
  • To pass across or over; to traverse. 

  • To travel quickly over a long distance. 

  • To punish by bringing a lawsuit against; to sue. 

  • To walk heavily or with some difficulty; to tramp, to trudge. 

  • To beat or overcome thoroughly, to defeat heavily; especially (games, sports) to win against (someone) by a wide margin. 

  • To beat severely; to thrash. 

  • To chastise or punish physically or verbally; to scold with abusive language. 

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