government vs triumvirate

government

noun
  • The tenure of a chief of state. 

  • The body with the power to make and/or enforce laws to control a country, land area, people or organization. 

  • The relationship between a word and its dependents. 

  • The state and its administration viewed as the ruling political power. 

  • The management or control of a system. 

triumvirate

noun
  • An official group of three people, especially a ruling council of three men and particularly (historical) two such councils in Roman history. 

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