minister vs notary public

minister

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

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

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

  • 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 

notary public

noun
  • An officer who can administer oaths and statutory declarations, witness and authenticate documents and perform certain other acts varying from jurisdiction to jurisdiction. 

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