cognizance vs seclusion

cognizance

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

  • Notice or awareness. 

  • Jurisdiction. 

seclusion

noun
  • The act of secluding, shutting out or keeping apart. 

  • A secluded, isolated or private place. 

  • The mature phase of the extratropical cyclone life cycle. 

  • The state of being secluded or shut out, as from company, society, the world, etc.; solitude. 

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