bash vs thrash

bash

noun
  • A forceful blow or impact. 

  • An attempt at doing something. 

  • A large party; a gala event. 

verb
  • To strike heavily. 

  • To criticize harshly. 

  • To collide; used with into or together. 

thrash

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

  • thrash metal 

verb
  • 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 beat mercilessly. 

  • To thresh. 

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