attendant vs purser

attendant

noun
  • One who attends; one who works with or watches over something. 

  • That which accompanies or follows. 

  • A servant or valet. 

  • One who owes a duty or service to another. 

adj
  • Depending on, or owing duty or service to. 

  • Going with; associated; concomitant. 

purser

noun
  • The person responsible for handling the accounts on a ship, or for dealing with the passengers on a ship or aircraft. 

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