proprietor vs publican

proprietor

noun
  • An owner. 

  • A sole owner of an unincorporated business, also called a sole proprietor. 

  • One of the owners of an unincorporated business, a partner. 

  • One or more persons to whom a colonial territory is assigned, like a fief, including its administration. 

publican

noun
  • The manager or owner of a hotel. 

  • A tax collector, especially one working in Judea and Galilee during New Testament times (1st century C.E.) who was generally regarded as sinful for extorting more tax than was due, and as a traitor for serving the Roman Empire. 

  • The landlord (manager or owner) of a public house (“a bar or tavern, often also selling food and sometimes lodging; a pub”). 

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