cognizance vs informedness

cognizance

noun
  • Notice or awareness. 

  • An emblem, badge or device, used as a distinguishing mark by the body of retainers of a royal or noble house. 

  • Jurisdiction. 

informedness

noun
  • the state or quality of being informed 

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