attendant vs portress

attendant

noun
  • A servant or valet. 

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

  • That which accompanies or follows. 

  • One who owes a duty or service to another. 

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

  • Going with; associated; concomitant. 

portress

noun
  • a female porter (person in control of the entrance to a building) 

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