pommel vs thrash

pommel

verb
  • To pound or beat. 

noun
  • Either of the rounded handles on a pommel horse. 

  • The knob on the hilt of an edged weapon such as a sword or dagger. 

  • The upper front brow of a saddle. 

  • A knob forming the finial of a turret or pavilion. 

thrash

verb
  • To thresh. 

  • 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. 

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

  • thrash metal 

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