governance vs sovereignty

governance

noun
  • The state of being governed. 

  • The process, or the power, of governing; government or administration. 

  • Accountability for consistent, cohesive policies, processes and decision rights. 

  • The specific system by which a political system is ruled. 

  • The group of people who make up an administrative body. 

sovereignty

noun
  • Of a polity: the state of making laws and controlling resources without the coercion of other nations. 

  • An independent or sovereign territory. 

  • Of a ruler: supreme authority over all things. 

  • Of a person: the liberty to decide one's thoughts and actions. 

  • Excellence, mastery, preeminent efficacy. 

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