stricture vs tightness

stricture

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

  • The degree of contact, in consonants. 

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

  • A rule restricting behaviour or action. 

  • A sternly critical remark or review. 

tightness

noun
  • The quality or degree of being tight 

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