residence hall vs stateroom

residence hall

noun
  • A hall of residence. 

stateroom

noun
  • An apartment in a palace or great house for use on ceremonial occasions. 

  • A private cabin in a ship or train. 

  • A superior cabin for a ship's officer or captain. 

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