reproof vs stricture

reproof

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

verb
  • To proof again. 

stricture

noun
  • A general state of restrictiveness on behavior, action, or ideology. 

  • The degree of contact, in consonants. 

  • Abnormal narrowing of a canal or duct in the body. 

  • A rule restricting behaviour or action. 

  • A sternly critical remark or review. 

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