chancellor vs notary public

chancellor

noun
  • A senior secretary or official with administrative or legal duties, sometimes in charge of some area of government such as finance or justice. 

  • The head of a university, sometimes purely ceremonial. 

  • The chief judge of a court of chancery (that is, one exercising equity jurisdiction). 

  • The head of the government in some German-speaking countries. 

  • A senior record keeper of a cathedral; a senior legal officer for a bishop or diocese in charge of hearing cases involving ecclesiastical law. 

  • The foreman of a jury. 

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 chancellor and notary public occurred in a corpus of books? (source: Google Ngram Viewer )