教室【きょうしつ】
classroom, lecture room, department (in a university), class, lessons, course, school (for a particular discipline), teaching establishment
室内【しつない】
indoor, inside the room
室長【しつちょう】
section chief, laboratory manager, office head, room monitor
皇室【こうしつ】
Imperial household
会議室【かいぎしつ】
conference room, council room
研究室【けんきゅうしつ】
laboratory, seminar room, professor's office
病室【びょうしつ】
sickroom, hospital room, ward
温室【おんしつ】
greenhouse, hothouse, conservatory, glasshouse
寝室【しんしつ】
bedroom
客室【きゃくしつ】
guest room (at a hotel), guest cabin (on a boat), passenger cabin (on a plane), drawing room
浴室【よくしつ】
bathroom
事務室【じむしつ】
office (room)
室町【むろまち】
Muromachi period (1336-1573)
和室【わしつ】
Japanese-style room
茶室【ちゃしつ】
tearoom, tea house, tea-ceremony room, tea arbour, tea arbor
分室【ぶんしつ】
detached office, annex
船室【せんしつ】
stateroom, cabin
更衣室【こういしつ】
locker room, changing room, dressing room
入室【にゅうしつ】
entering a room, studying under a Buddhist teacher
洋室【ようしつ】
Western-style room