galvanize vs roust

galvanize

verb
  • To coat with rust-resistant zinc. 

  • To coat with a thin layer of metal by electrochemical means. 

  • To shock or stimulate into sudden activity, as if by electric shock. 

  • To switch sides between Union and Confederate in the American Civil War. 

roust

verb
  • to arrest 

  • To harass, to treat in a rough way. 

  • 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 galvanize and roust occurred in a corpus of books? (source: Google Ngram Viewer )