| 室 | しつ | room; wife (of someone of high rank); scabbard; Chinese "Encampment" constellation (one of the 28 mansions) | n2 |
| 教室 | きょうしつ | classroom; lecture room; department (in a university); class | n5 |
| 室内 | しつない | indoor; inside the room | n3 |
| 一室 | いっしつ | one room | |
| 室町時代 | むろまちじだい | Muromachi period (1336-1573) | |
| 寝室 | しんしつ | bedroom | |
| 室町 | むろまち | Muromachi period (1336-1573) | |
| 隣室 | りんしつ | next or adjoining room | |
| 病室 | びょうしつ | sickroom; hospital room; ward | n1 |
| 個室 | こしつ | single (room); room for one; one's own room; private room | n1 |
| 皇室 | こうしつ | Imperial household | |
| 浴室 | よくしつ | bathroom | |
| 温室 | おんしつ | greenhouse; hothouse; conservatory; glasshouse | |
| 茶室 | ちゃしつ | tearoom; tea house; tea-ceremony room; tea arbour | |
| 客室 | きゃくしつ | guest room (at a hotel); guest cabin (on a boat); passenger cabin (on a plane); drawing room | n1 |
| 別室 | べっしつ | separate room; another room; special room; concubine (of a noble) | n2 |
| 居室 | きょしつ | living room | |
| 研究室 | けんきゅうしつ | laboratory; seminar room; professor's office | n3 |
| 待合室 | まちあいしつ | waiting room | n1 |
| 和室 | わしつ | Japanese-style room | n3 |
| 船室 | せんしつ | stateroom; cabin | |
| 温室効果 | おんしつこうか | greenhouse effect | |
| 側室 | そくしつ | concubine (of a noble) | |
| 室温 | しつおん | room temperature | n1 |
| 密室 | みっしつ | locked room; secret room | |
| 庵室 | あんしつ | hermit's cell; retreat | |
| 同室 | どうしつ | same room; sharing a room; occupying the same room | n1 |
| 控室 | ひかえしつ | waiting room; anteroom; antechamber; green room | n1 |
| 室外 | しつがい | outside (the room, building); outdoors | |
| 石室 | せきしつ | stone hut; rock chamber; tomb; stone burial chamber | |
| 帝室 | ていしつ | Imperial Family; Imperial Household | |
| 画室 | がしつ | art studio | n1 |
| 自室 | じしつ | one's own room | |
| 室積 | むろつみ | inn | |
| 王室 | おうしつ | royal family | |
| 暗室 | あんしつ | darkroom | |
| 洋室 | ようしつ | Western-style room | |
| 正室 | せいしつ | legal wife (of a noble) (as opposed to a concubine); room for receiving guests; heir; successor | n2 |
| 空室 | くうしつ | vacant room; vacancy; unoccupied room; empty room | |
| 相談室 | そうだんしつ | counseling room; counselling room; consulting room; advisory centre | |
| 室町幕府 | むろまちばくふ | Muromachi shogunate (1336-1573) | |
| 後室 | こうしつ | dowager; widow | |
| 心室 | しんしつ | ventricle | |
| 前室 | ぜんしつ | front room; front parlor; lobby; anticum | |
| 小室 | こむろ | small chamber; cell; cabinet; booth | |
| 会議室 | かいぎしつ | conference room; council room | n4 |
| 私室 | ししつ | private room | n1 |
| 各室 | かくしつ | each room; every room | n1 |
| 荷室 | にしつ | trunk (of a car); boot; luggage space; cargo compartment | |
| 室長 | しつちょう | section chief; laboratory manager; office head; room monitor | |
| 展示室 | てんじしつ | exhibition room (e.g. museum); showroom (for goods) | |
| 氷室 | ひむろ | ice house; ice room; cold room | |
| 入室 | にゅうしつ | entering a room; studying under a Buddhist teacher | |
| 産室 | さんしつ | maternity room; delivery room | |
| 自習室 | じしゅうしつ | (private) study room | |
| 内室 | ないしつ | one's wife | |
| 全室 | ぜんしつ | all rooms | |
| 室内楽 | しつないがく | chamber music | |
| 閲覧室 | えつらんしつ | reading room | |
| 実験室 | じっけんしつ | laboratory | |
| 實験室 | じっけんしつ | laboratory | |
| 音楽教室 | おんがくきょうしつ | place where music lessons are given; music class; music school | |
| 遊戯室 | ゆうぎしつ | playroom; recreation room | |
| 控え室 | ひかえしつ | waiting room; anteroom; antechamber; green room | n1 |
| 和洋室 | わようしつ | hotel room with both Western and Japanese elements (usu. with Western-style beds and a separate tatami-floored living area) | |
| 更衣室 | こういしつ | locker room; changing room; dressing room | |
| 診察室 | しんさつしつ | examining room; consultation room | |
| 退室 | たいしつ | exiting a room | n2 |
| 右心室 | うしんしつ | right ventricle | |
| 地下室 | ちかしつ | cellar; basement | |
| 帰室 | きしつ | returning to one's room (in a hospital; e.g. after surgery) | n1 |
| 玄室 | げんしつ | burial chamber | |
| 満室 | まんしつ | no vacancy; full occupancy | |
| 岩室 | いわむろ | cave | |
| 事務室 | じむしつ | office (room) | |
| 資料室 | しりょうしつ | reference room | |
| 宮室 | きゅうしつ | palace; imperial family | |
| 手術室 | しゅじゅつしつ | operating room; operating theatre | |
| 分室 | ぶんしつ | detached office; annex | |
| 美容室 | びようしつ | beauty parlor | |
| 継室 | けいしつ | second wife | n1 |
| 妻室 | さいしつ | wife | |
| 左心室 | さしんしつ | left ventricle | |
| 号室 | ごうしつ | suffix for room numbers; suffix for apartment numbers | |
| 部室 | ぶしつ | clubroom | |
| 保健室 | ほけんしつ | infirmary (at a school, workplace, etc.); health center; nurse's office; nurse's room | |
| 特別室 | とくべつしつ | deluxe suite | |
| 皇室典範 | こうしつてんぱん | Imperial House Act | |
| 脳室 | のうしつ | cerebral ventricle | |
| 室外機 | しつがいき | outdoor unit (esp. air conditioner condenser) | |
| 半個室 | はんこしつ | semi-private room; partially secluded space | |
| 広報室 | こうほうしつ | public relations department | |
| 理容室 | りようしつ | barbershop; barber shop | |
| 図書室 | としょしつ | library (usu. single-room); small library | n3 |
| 禅室 | ぜんしつ | room for zazen meditation; room for Buddhist practices; Zen monk's quarters; head priest (of a Zen temple) | |
| 憩室炎 | けいしつえん | diverticulitis | |
| 社長室 | しゃちょうしつ | president's office; director's office | |
| 職員室 | しょくいんしつ | staff room | |
| 野菜室 | やさいしつ | crisper (e.g. in refrigerator); vegetable drawer; produce compartment | |
| 憩室 | けいしつ | diverticulum | n1 |
| 蚕室 | さんしつ | silkworm-raising room | |
| 機関室 | きかんしつ | engine room | |
| 室礼 | しつらい | setting up a living or ceremonial space with furnishings, implements, etc. (Heian era) | |
| 階段室 | かいだんしつ | stairwell; stair hall; staircase | |
| 車室 | しゃしつ | compartment (of a train); interior (of a car); parking bay; parking space | |
| 応接室 | おうせつしつ | drawing room; parlour; parlor; reception office | |
| 試着室 | しちゃくしつ | dressing room; fitting room | |
| 調査室 | ちょうさしつ | research office; research division; inquiry section | |
| 防音室 | ぼうおんしつ | soundproof room | |
| 企画室 | きかくしつ | planning office | |
| 休憩室 | きゅうけいしつ | break room; lounge (e.g. in an onsen); resting room | |
| 保育室 | ほいくしつ | nursery school; day nursery; nursery room | |
| 気室 | きしつ | air chamber | n1 |
| 令室 | れいしつ | your wife | |
| 室宿 | はついぼし | Chinese "Encampment" constellation (one of the 28 mansions) | |
| 開室 | かいしつ | opening (e.g. library, museum, etc); being open; making a room accessible to people; (organization) being available to take on work | |
| 室咲き | むろざき | hothouse flower cultivation | |
| 料理教室 | りょうりきょうしつ | cooking class; cookery school | |
| 機械室 | きかいしつ | machine room; machinery room; engine room; machine house | |
| 運転室 | うんてんしつ | drivers cab; operator's cab | |
| 客室乗務員 | きゃくしつじょうむいん | cabin crew | |
| 貸室 | かししつ | room for rent (lease); room to let; office space for rent (lease) | |
| 化粧室 | けしょうしつ | toilet; lavatory; powder room | |
| 喫煙室 | きつえんしつ | smoking room; smoking compartment | |
| 授乳室 | じゅにゅうしつ | room for breast-feeding; nursing room | |
| 取調室 | とりしらべしつ | interrogation room; interview room; sweatbox | |
| 喫茶室 | きっさしつ | coffee room (hotel, office building, etc.); tea room | |
| 展望室 | てんぼうしつ | (indoor) observation deck; observation room; observatory | |
| 校長室 | こうちょうしつ | principal's office | |
| 美術室 | びじゅつしつ | art room (e.g. in a school); art studio | |
| 調理室 | ちょうりしつ | cook-house; galley; kitchen | |
| 在室 | ざいしつ | being in one's room (office, etc.) | n2 |
| 墓室 | ぼしつ | burial chamber | |
| 学習室 | がくしゅうしつ | study room; study hall; learning room | |
| 房室 | ぼうしつ | room; chamber; monk in charge of business in the monks' quarters; bedroom (of a married couple) | |
| 冷蔵室 | れいぞうしつ | cold room; refrigerated room; cold compartment (e.g. of a refrigerator) | |
| 御室派 | おむろは | Omuro (sect of Shingon Buddhism) | |
| 音楽室 | おんがくしつ | music room | |
| 王室属領 | おうしつぞくりょう | Crown dependency (of the UK: Guernsey, Jersey, Isle of Man) | |
| 閉室 | へいしつ | closing a room; keeping a room closed; closing down an office; closing down a facility | |
| 読書室 | どくしょしつ | a reading room | |
| 談話室 | だんわしつ | lounge; common room | |
| 室内装飾 | しつないそうしょく | interior decorating | |
| 収納室 | しゅうのうしつ | storage room; closet | |
| 室内機 | しつないき | indoor unit (esp. an air conditioner) | |
| 操舵室 | そうだしつ | pilothouse; wheelhouse; steering house | |
| 無菌室 | むきんしつ | sterile room; bioclean room | |
| 理科室 | りかしつ | science classroom; (school) science lab | |
| ガス室 | ガスしつ | gas chamber | |
| 保護室 | ほごしつ | holding cell; drunk tank; isolation room; quarantine room | |
| 執務室 | しつむしつ | office (e.g. the Oval Office) | |
| 客室係 | きゃくしつがかり | room clerk (hotel); steward (ship) | |
| 準備室 | じゅんびしつ | preparation room | |
| 貴賓室 | きひんしつ | VIP room; VIP lounge; room reserved for special guests | |
| 房室結節 | ぼうしつけっせつ | atrioventricular node; AV node | |
| 鼓室 | こしつ | tympanic cavity | n1 |
| 休室 | きゅうしつ | temporary closure of a room (office, exhibition, etc.) | |
| 右室 | うしつ | right ventricle | |
| 冷凍室 | れいとうしつ | freezing compartment; freezer | |
| 処置室 | しょちしつ | treatment room (e.g. in a hospital) | |
| 分娩室 | ぶんべんしつ | maternity room; delivery room | |
| 分析室 | ぶんせきしつ | analytical laboratory | |
| 医務室 | いむしつ | doctor's office; medical office; sickbay | |
| 大教室 | だいきょうしつ | lecture hall; lecture theatre; auditorium | |
| 安置室 | あんちしつ | morgue; mortuary | |
| 房室弁 | ぼうしつべん | atrioventricular valve | |
| 船長室 | せんちょうしつ | captain's cabin | |
| 貯蔵室 | ちょぞうしつ | storeroom; stockroom | |
| 隔離室 | かくりしつ | isolation room; quarantine room; isolation ward | |
| 集会室 | しゅうかいしつ | assembly room; assembly hall; meeting room; community room | |
| 霊安室 | れいあんしつ | morgue; mortuary | |
| 室内実験 | しつないじっけん | lab test; in-house test | |
| 皇室経済法 | こうしつけいざいほう | Imperial Household Finance Act | |
| 室韋 | しつい | Shiwei (Mongolic tribe) | n1 |
| 湯室 | ゆむろ | room for boiling water; bathroom; bath | |
| 雪室 | ゆきむろ | house for storing snow; snow cavern | |
| 麹室 | こうじむろ | room for producing kōji | |
| 仮眠室 | かみんしつ | nap room (in an office, fire station, etc.) | |
| 回復室 | かいふくしつ | recovery room (in a hospital); recuperation room | |
| 子供室 | こどもしつ | child's room; nursery | |
| 室内外 | しつないがい | indoor and outdoor | |
| 工作室 | こうさくしつ | workshop | |
| 洗面室 | せんめんしつ | washroom | |
| 給湯室 | きゅうとうしつ | office kitchenette; room with facilities for boiling water | |
| 給食室 | きゅうしょくしつ | Japanese (school) lunchroom; Japanese (school) cafeteria | |
| 脱衣室 | だついしつ | changing room; dressing room; locker room | |
| 貸し室 | かししつ | room for rent (lease); room to let; office space for rent (lease) | |
| 食器室 | しょっきしつ | pantry | |
| 管理人室 | かんりにんしつ | manager's office (e.g. of an apartment building); caretaker's room | |
| 英国王室 | えいこくおうしつ | British royal family | |
| 視聴覚室 | しちょうかくしつ | audiovisual room | |
| シャワー室 | シャワーしつ | shower stall; shower cubicle; shower room | |
| 室料 | しつりょう | room rent; room rate (hotel, etc.) | n1 |
| 総室 | そうしつ | shared room (in a hospital) | n1 |
| 待合い室 | まちあいしつ | waiting room | n1 |
| 薬室 | やくしつ | chamber (of a gun) | |
| オペ室 | オペしつ | operating room; operating theatre | |
| 主寝室 | しゅしんしつ | main bedroom; master bedroom | |
| 予備室 | よびしつ | spare room | |
| 単心室 | たんしんしつ | univentricular heart; single ventricle defect | |
| 娯楽室 | ごらくしつ | recreation room | |
| 待機室 | たいきしつ | duty room; staff room; waiting room | |
| 指導室 | しどうしつ | counselling office; guidance room | |
| 放送室 | ほうそうしつ | (radio or TV) studio | |
| 教員室 | きょういんしつ | staffroom; teachers' lounge; faculty lounge | |
| 映写室 | えいしゃしつ | projection room; projection booth | |
| 標本室 | ひょうほんしつ | specimen room; herbarium | |
| 無線室 | むせんしつ | radio room; wireless room | |
| 監禁室 | かんきんしつ | confinement room; detention room; brig (in a warship) | |
| 禁煙室 | きんえんしつ | non-smoking room | |
| 秘書室 | ひしょしつ | secretarial office | |
| 空き室 | あきしつ | vacant room; vacancy; unoccupied room; empty room | |
| 託児室 | たくじしつ | nursery; nursing room; baby-care room | |
| 試験室 | しけんしつ | laboratory; testing room | |
| 貨物室 | かもつしつ | cargo hold (of an aircraft, ship, etc.); cargo bay | |
| 配膳室 | はいぜんしつ | pantry | |
| 陣痛室 | じんつうしつ | labor room; labour room | |
| 面会室 | めんかいしつ | visiting room; visitation room | |
| 駅長室 | えきちょうしつ | stationmaster's office | |
| 室内遊戯 | しつないゆうぎ | indoor game; indoor pastime | |
| 家庭科室 | かていかしつ | home economics room | |
| 温室栽培 | おんしつさいばい | greenhouse horticulture | |
| 移動教室 | いどうきょうしつ | study camp; overnight field trip; travelling class; class held in a different room (music, science, etc.) | |
| ロッカー室 | ロッカーしつ | locker room | |
| 客室稼働率 | きゃくしつかどうりつ | room occupancy ratio; guest room usage rate | |
| 生徒指導室 | せいとしどうしつ | student guidance office; student counseling room | |
| 室蘭工業大学 | むろらんこうぎょうだいがく | Muroran Institute of Technology | |
| 待ち合い室 | まちあいしつ | waiting room | n1 |
| 付室 | ふしつ | vestibule; attached room | |
| 刀室 | とうしつ | scabbard | |
| 嫡室 | ちゃくしつ | one's legal wife; legitimate wife | |
| 室鯵 | むろあじ | brownstriped mackerel scad (Decapterus muroadsi); mackerel scad (any fish of genus Decapterus) | |
| 室鰺 | むろあじ | brownstriped mackerel scad (Decapterus muroadsi); mackerel scad (any fish of genus Decapterus) | |
| 幽室 | ゆうしつ | darkened room; quiet room | |
| 罰室 | ばっしつ | punishment room; penal cell | |
| 調室 | しらべしつ | interrogation room; interview room; sweatbox | |
| 三軸室 | さんじくしつ | triaxial cell | |
| 下足室 | げそくしつ | footwear room | |
| 主教室 | しゅきょうしつ | home room (in a school) | |
| 乾燥室 | かんそうしつ | drying room | |
| 休養室 | きゅうようしつ | rest or recreation room | |
| 会計室 | かいけいしつ | accounting room; accounting office; cashier's office | |
| 備品室 | びひんしつ | equipment room; supply room; storage room | |
| 写字室 | しゃじしつ | scriptorium | |
| 制作室 | せいさくしつ | studio; workshop | |
| 制御室 | せいぎょしつ | control room; control booth | |
| 単独室 | たんどくしつ | solitary cell; solitary confinement cell; isolation cell | |
| 司令室 | しれいしつ | control room | |
| 同室者 | どうしつしゃ | roommate; person sharing a room; flatmate | |
| 図工室 | ずこうしつ | drawing and manual arts room; arts and craft room | |
| 室内灯 | しつないとう | room light; interior light | |
| 室内犬 | しつないけん | indoor dog; dog kept indoors; house dog | |
| 室内着 | しつないぎ | loungewear; comfortable clothing worn at home | |
| 室外犬 | しつがいけん | outdoor dog; dog kept outdoors | |
| 室積み | むろつみ | inn | |
| 宿泊室 | しゅくはくしつ | room for overnight guests; accommodation room; guestroom | |
| 宿直室 | しゅくちょくしつ | night duty room | |
| 寿教室 | ことぶききょうしつ | culture courses for the aged | |
| 懺悔室 | ざんげしつ | (a) confessional | |
| 採暖室 | さいだんしつ | warming room | |
| 操縦室 | そうじゅうしつ | cockpit; control cabin; flight compartment; pilot compartment | |
| 整備室 | せいびしつ | office (usu. for construction, maintenance, services, etc.) | |
| 星室庁 | せいしつちょう | Court of the Star Chamber (England) | |
| 校正室 | こうせいしつ | proofroom; proof-reading room; reading room | |
| 気密室 | きみつしつ | airtight chamber | |
| 汽缶室 | きかんしつ | boiler room | |
| 演習室 | えんしゅうしつ | seminar room | |
| 無塵室 | むじんしつ | clean room (e.g. in semiconductor manufacturing); cleanroom | |
| 無響室 | むきょうしつ | anechoic chamber; anechoic room | |
| 独居室 | どっきょしつ | cell (e.g. monk's) | |
| 理髪室 | りはつしつ | barbershop; barber shop | |
| 用具室 | ようぐしつ | tool storage room; equipment storage room | |
| 皇室費 | こうしつひ | the Imperial Household expenses | |
| 社交室 | しゃこうしつ | day room (e.g. on a liner); lounge; social hall | |
| 祈祷室 | きとうしつ | oratory; prayer room | |
| 祈禱室 | きとうしつ | oratory; prayer room | |
| 管制室 | かんせいしつ | control room | |
| 育児室 | いくじしつ | nursery | |
| 舞踏室 | ぶとうしつ | ball room; dance room | |
| 荷物室 | にもつしつ | luggage compartment; cargo bay (aircraft); baggage compartment | |
| 補器室 | ほきしつ | auxiliary machinery room | |
| 製図室 | せいずしつ | drafting room; drawing office; drawing room | |
| 製氷室 | せいひょうしつ | ice house; ice compartment; ice-making room | |
| 観察室 | かんさつしつ | observation room (in a hospital, police station, etc.) | |
| 記者室 | きしゃしつ | press room; press gallery | |
| 診療室 | しんりょうしつ | examination room; treatment room; doctor's office | |
| 試料室 | しりょうしつ | sample chamber | |
| 試聴室 | しちょうしつ | listening room (e.g. in a record store); listening booth | |
| 調べ室 | しらべしつ | interrogation room; interview room; sweatbox | |
| 講義室 | こうぎしつ | lecture hall; lecture room | |
| 車掌室 | しゃしょうしつ | conductor's compartment | |
| 重役室 | じゅうやくしつ | executive suite | |
| 鉛室法 | えんしつほう | lead chamber process | |
| 録音室 | ろくおんしつ | recording room; recording studio | |
| 防塵室 | ぼうじんしつ | cleanroom | |
| 陳列室 | ちんれつしつ | showroom | |
| 電話室 | でんわしつ | telephone booth (indoor) | |
| 風除室 | ふうじょしつ | vestibule; antechamber; entrance area; airlock | |
| 飼育室 | しいくしつ | breeding facility (e.g. lab. animals); breeding room | |
| こども室 | こどもしつ | child's room; nursery | |
| 入室制限 | にゅうしつせいげん | access restriction (to an indoor location); entry restriction | |
| 分べん室 | ぶんべんしつ | maternity room; delivery room | |
| 取調べ室 | とりしらべしつ | interrogation room; interview room; sweatbox | |
| 子ども室 | こどもしつ | child's room; nursery | |
| 室内履き | しつないばき | slippers | |
| 室内干し | しつないぼし | indoor drying; hanging clothes to dry indoors | |
| 室内暖房 | しつないだんぼう | indoor heating | |
| 室内飼い | しつないがい | keeping (a pet) indoors | |
| 密室殺人 | みっしつさつじん | locked-room murder (e.g. in murder mystery fiction) | |
| 彫刻室座 | ちょうこくしつざ | Sculptor (constellation) | |
| 心室中隔 | しんしつちゅうかく | interventricular septum | |
| 心室細動 | しんしつさいどう | ventricular fibrillation | |
| 房室中隔 | ぼうしつちゅうかく | atrioventricular septum | |
| 新生児室 | しんせいじしつ | newborn nursery | |
| 日光浴室 | にっこうよくしつ | solarium; sun-room | |
| 核実験室 | かくじっけんしつ | nuclear laboratory | |
| 毒ガス室 | どくガスしつ | gas chamber | |
| 温室育ち | おんしつそだち | sheltered upbringing; person who has had a sheltered upbringing; hothouse upbringing | |
| 特別教室 | とくべつきょうしつ | special-purpose classroom | |
| 皇室会議 | こうしつかいぎ | Imperial Household Council | |
| 皇室神道 | こうしつしんとう | Imperial Household Shinto | |
| 研究室棟 | けんきゅうしつとう | laboratory block; research laboratory building | |
| 空室あり | くうしつあり | vacant rooms available | |
| 空室有り | くうしつあり | vacant rooms available | |
| 第三脳室 | だいさんのうしつ | third ventricle | |
| 第四脳室 | だいよんのうしつ | fourth ventricle; brain structure | |
| 第3脳室 | だいさんのうしつ | third ventricle | |
| 階段教室 | かいだんきょうしつ | classroom in tiers | |
| 隔離病室 | かくりびょうしつ | isolation ward | |
| 青空教室 | あおぞらきょうしつ | open-air classes | |
| デザイン室 | デザインしつ | design department; design studio; design office | |
| 下鼓室動脈 | かこしつどうみゃく | inferior tympanic artery | |
| 中央制御室 | ちゅうおうせいぎょしつ | central control room; main control room | |
| 中央操作室 | ちゅうおうそうさしつ | central control room; main control room | |
| 保健室登校 | ほけんしつとうこう | going straight to the infirmary in school | |
| 化学実験室 | かがくじっけんしつ | chemistry laboratory; chemical laboratory | |
| 危機管理室 | ききかんりしつ | situation room; crisis management office | |
| 取り調べ室 | とりしらべしつ | interrogation room; interview room; sweatbox | |
| 圧力抑制室 | あつりょくよくせいしつ | suppression pool (nuclear reactor); pressure suppression chamber | |
| 室内プール | しつないプール | indoor swimming pool; indoor pool | |
| 室内協奏曲 | しつないきょうそうきょく | chamber concerto; concerto di camera | |
| 密室の暴力 | みっしつのぼうりょく | violence behind closed doors; domestic violence | |
| 居間兼寝室 | いまけんしんしつ | living room and bedroom; bed-sitter | |
| 救急医療室 | きゅうきゅういりょうしつ | emergency room; ER | |
| 救急救命室 | きゅうきゅうきゅうめいしつ | emergency room; ER | |
| 根室測候所 | ねむろそっこうじょ | Nemuro Weather Station | |
| 横穴式石室 | よこあなしきせきしつ | horizontal stone chamber; corridor-type tunnel tomb | |
| 歯科実験室 | しかじっけんしつ | dental laboratory | |
| 王室美術館 | おうしつびじゅつかん | Queen's Gallery | |
| 緊急救命室 | きんきゅうきゅうめいしつ | emergency room; ER; emergency department; ED | |
| 草庵風茶室 | そうあんふうちゃしつ | rustic tea house made out of a thatched hut | |
| 視聴覚教室 | しちょうかくきょうしつ | audio-visual classroom; audiovisual classroom | |
| 通信指令室 | つうしんしれいしつ | communication command center (for emergency calls) | |
| 集中治療室 | しゅうちゅうちりょうしつ | intensive care unit; ICU | |
| 食料貯蔵室 | しょくりょうちょぞうしつ | larder; pantry; stillroom; buttery | |
| 高圧酸素室 | こうあつさんそしつ | hyperbaric oxygen chamber | |
| お客様相談室 | おきゃくさまそうだんしつ | customer service office; CSO | |
| パソコン教室 | パソコンきょうしつ | computer class (esp. for learning the basics of using a computer); computer school | |
| リンガホン室 | リンガホンしつ | language laboratory | |
| 保健室の先生 | ほけんしつのせんせい | school nurse; nurse teacher; health teacher; school infirmary teacher | |
| 室内管弦楽団 | しつないかんげんがくだん | chamber orchestra | |
| 密室トリック | みっしつトリック | locked room trick (esp. in mystery fiction); closed room trick | |
| 温室効果ガス | おんしつこうかガス | greenhouse effect gas; greenhouse gas | |
| 皇室経済会議 | こうしつけいざいかいぎ | Imperial Household Economy Council | |
| 船室兼料理室 | せんしつけんりょうりしつ | cuddy; small cabin or shelter on a sailboat | |
| コンピュータ室 | コンピュータしつ | computer room; computer lab | |
| 内閣情報調査室 | ないかくじょうほうちょうさしつ | Cabinet Information Research Office | |
| 室蘭地方気象台 | むろらんちほうきしょうだい | Muroran Local Meteorological Observatory | |
| 民間宅地指導室 | みんかんたくちしどうしつ | Private Sector Building Land Development Office | |
| コンピューター室 | コンピュータしつ | computer room; computer lab | |
| 公共工事契約指導室 | こうきょうこうじけいやくしどうしつ | Public Works Contracts Office | |
| 国家サイバー統括室 | こっかサイバーとうかつしつ | National Cybersecurity Office (Japan); NCO | |
| 王室カナダ騎馬警察 | おうしつカナダきばけいさつ | Royal Canadian Mounted Police; RCMP | |
| 脳室周囲白質軟化症 | のうしつしゅういはくしつなんかしょう | periventricular leukomalacia (leucomalacia) | |
| 日本室内自転車競技連盟 | にっぽんしつないじてんしゃきょうぎれんめい | Japan Federation of Indoor Cycling; JFIC | |