help vs thrash

help

verb
  • To do something on the behalf of someone. 

  • To assist (a person) in getting something, especially food or drink at table; used with to. 

  • To provide assistance. 

  • To avoid; to prevent; to refrain from; to restrain (oneself). Usually used in nonassertive contexts with can. 

  • To provide assistance to (someone or something). 

  • To contribute in some way to. 

intj
  • A cry of distress or an urgent request for assistance 

noun
  • Action given to provide assistance; aid. 

  • Something or someone which provides assistance with a task. 

  • Documentation provided with computer software, etc. and accessed using the computer. 

  • A study aid. 

  • One or more people employed to help in the maintenance of a house or the operation of a farm or enterprise. 

  • Correction of deficits, as by psychological counseling or medication or social support or remedial training. 

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 help and thrash occurred in a corpus of books? (source: Google Ngram Viewer )