positiveness vs sureness

positiveness

noun
  • The result of being positive 

  • The quality of being positive; positivity. 

sureness

noun
  • The result or product of being sure. 

  • The property of being sure, deft, confident of ability. 

  • The property of being sure, certainty. 

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