ratification vs reproof

ratification

noun
  • The act or process of ratifying, or the state of being ratified. 

  • A formal declaration of agreement to a treaty etc. 

reproof

verb
  • To proof again. 

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

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