庵室[anshitsu] hermit's cell
暗室[anshitsu] dark room
医務室[imushitsu] doctor's office
育児室[ikujishitsu] nursery
一室[isshitsu] one room

閲覧室[etsuranshitsu] inspection room
応接室[ousetsushitsu] drawing room
王室[oushitsu] royal family
温室[onshitsu] greenhouse
化粧室[keshoushitsu] toilet

御茶[ocha] tea (usu. green)
鳥竜茶[uuroncha] oolong tea
一番茶[ichibancha] first-grade tea (first picking)
黄枯茶[kigaracha] bluish yellow
喫茶[kissa] tea drinking

喫茶店[kissaten] coffee lounge
休茶屋[yasumijaya] wayside teahouse
玄米茶[genmaicha] tea (with roasted rice)
古茶[kocha] last year's tea
口茶[kuchija] adding more tea