salon vs stateroom

salon

noun
  • A large room, especially one used to receive and entertain guests. 

  • A beauty salon or similar establishment. 

  • An art gallery or exhibition; especially the Paris salon or autumn salon. 

  • A gathering of people for a social or intellectual meeting. 

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 salon and stateroom occurred in a corpus of books? (source: Google Ngram Viewer )