correctness vs rightness

correctness

noun
  • conformity to the truth or to fact 

  • freedom from error 

  • The state of an algorithm that correctly mirrors its specification. 

  • conformity to recognized standards 

rightness

noun
  • The characteristic of being right; correctness. 

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

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

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