guest room (at a hotel), guest cabin (on a boat), passenger cabin (on a plane), drawing room
自室【じしつ】
one's own room
個室【こしつ】
single (room), room for one, one's own room, private room, private compartment, private room (in a restaurant, etc.), private dining room, (toilet) stall
事務室【じむしつ】
office (room)
室町【むろまち】
Muromachi period (1336-1573)
実験室【じっけんしつ】
laboratory
室内楽【しつないがく】
chamber music
企画室【きかくしつ】
planning office
同室【どうしつ】
same room, sharing a room, occupying the same room