comptroller vs minister-president

comptroller

noun
  • The chief accountant of a company or government. 

minister-president

noun
  • The head of government in a number of European countries or subnational governments, in which a parliamentary or semi-presidential system of government prevails, who presides over the council of ministers. 

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