possibility vs sureness

possibility

noun
  • The quality of being possible. 

  • An option or choice, usually used in context with future events. 

  • A thing possible; that which may take place or come into being. 

sureness

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

  • The property of being sure, certainty. 

  • The result or product of being sure. 

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