proper right vs rightness

proper right

noun
  • The direction which is to the right from an object's perspective, the direction 90 degrees clockwise from the front. 

rightness

noun
  • The property of being on, or moving toward, the right. 

  • The result or product of being right; something correct. 

  • The characteristic of being right; correctness. 

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