betterness vs worthiness

betterness

noun
  • The state or quality of being better; superiority. 

  • The result or product of being better. 

  • The amount by which a precious metal exceeds the standard of fineness. 

worthiness

noun
  • The state or quality of having value or merit. 

  • The state or quality of being qualified or eligible. 

  • The result or product of having value or merit. 

  • The result or product of being qualified or eligible. 

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