roust vs stir up

roust

verb
  • to rout out of bed; to rouse 

  • to arrest 

  • To harass, to treat in a rough way. 

  • to drive strongly 

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

stir up

verb
  • To arouse or excite (passion or action). 

  • To move or disturb slightly; to make turbid. 

  • To mix (ingredients) by stirring. 

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