governance vs quinquevirate

governance

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

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

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

  • The state of being governed. 

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

quinquevirate

noun
  • An official group of five people, especially a council of five men sharing office or rule. 

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