cognizance vs mindfulness

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. 

mindfulness

noun
  • Awareness. 

  • Inclination to be mindful or aware. 

  • Paying attention on purpose, in the present moment, and non-judgementally. 

  • A form of secular meditation practice with roots in Buddhist meditation. 

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