beleaguer vs roust

beleaguer

verb
  • To vex, harass, or beset. 

  • To besiege; to surround with troops. 

  • To exhaust. 

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. 

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