good news vs positiveness

good news

noun
  • Something or someone pleasant, fortunate, or otherwise positive. 

  • The message of Jesus concerning the salvation of the faithful (as elaborated in the Gospels) 

positiveness

noun
  • The quality of being positive; positivity. 

  • The result of being positive 

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