criticism vs reproof

criticism

noun
  • The act of criticising; a critical judgment passed or expressed 

  • A critical observation or detailed examination and review. 

reproof

noun
  • An act or instance of reproving or of reprobating; a rebuke, a reproach, an admonition. 

verb
  • To proof again. 

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