minister-president vs treasurer

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. 

treasurer

noun
  • The government official in charge of the Treasury. 

  • The official entrusted with the funds and revenues of an organization such as a club. 

  • The head of a corporation's treasury department. 

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