minister vs minister-president

minister

noun
  • A politician who heads a ministry (national or regional government department for public service). 

  • A person who is trained to preach, to perform religious ceremonies, and to afford pastoral care at a Protestant church. 

  • A servant; a subordinate; an officer or assistant of inferior rank; hence, an agent, an instrument. 

  • In diplomacy, the rank of diplomat directly below ambassador. 

verb
  • To attend to (the needs of); to tend; to take care (of); to give aid; to give service. 

  • to function as a clergyman or as the officiant in church worship 

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 minister and minister-president occurred in a corpus of books? (source: Google Ngram Viewer )