spang vs thrash

spang

verb
  • To cause to spring; set forcibly in motion; throw with violence. 

  • To set with bright points: star or spangle. 

  • To hitch; fasten. 

  • To strike or ricochet with a loud report 

  • To leap; spring. 

noun
  • A bound or spring; a leap. 

  • A span. 

thrash

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

  • 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 beat mercilessly. 

  • To thresh. 

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

  • thrash metal 

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