chastise vs reproach

chastise

verb
  • To lightly criticize or correct (someone). 

  • To punish (someone), especially by corporal punishment. 

  • To castigate; to severely scold or censure (someone). 

reproach

verb
  • To criticize or rebuke (someone). 

  • To disgrace, or bring shame upon. 

noun
  • A mild rebuke, or an implied criticism. 

  • Disgrace or shame. 

  • An object of scorn. 

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