berate vs chastise

berate

verb
  • to chide or scold vehemently 

chastise

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

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

  • To lightly criticize or correct (someone). 

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