embolden vs rebuke

embolden

verb
  • To render (someone) bolder or more courageous. 

  • To encourage, inspire, or motivate. 

  • To format text in boldface. 

rebuke

verb
  • To criticise harshly; to reprove. 

noun
  • A harsh criticism. 

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