roust vs vitriol

roust

verb
  • To harass, to treat in a rough way. 

  • to arrest 

  • to rout out of bed; to rouse 

  • to drive strongly 

noun
  • A strong tide or current, especially in a narrow channel. 

vitriol

verb
  • To subject to bitter verbal abuse. 

  • To dip in dilute sulphuric acid; to pickle. 

  • To vitriolize. 

noun
  • Bitterly abusive language. 

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