chief minister vs republican

chief minister

noun
  • The leader of government in many semi-autonomous and constituent federal states. 

republican

noun
  • Someone who favors a republic as a form of government. 

  • A bird of a kind that builds many nests together: the American cliff swallow, or the South African weaver bird. 

adj
  • Advocating or supporting a republic as a form of government, advocating or supporting republicanism. 

  • Of or belonging to a republic. 

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