thrash vs trounce

thrash

verb
  • To beat mercilessly. 

  • To defeat utterly. 

  • To extensively test a software system, giving a program various inputs and observing the behavior and outputs that result. 

  • In computer architecture, to cause or undergo poor performance of a virtual memory (or paging) system. 

  • To move about wildly or violently; to flail; to labour. 

  • To thresh. 

noun
  • A beat or blow; the sound of beating. 

  • thrash metal 

trounce

verb
  • To beat severely; to thrash. 

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

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

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

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

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