まっ四角[masshikaku] square
一天四海[ittenshikai] the world
下四半期[shimoshihanki] last quarter (of the year)
弦楽四重奏曲[gengakushijuusoukyoku] string quartet
再三再四[saisansaishi] repeatedly

三寒四温[sankanshion] alternation of three cold and four warm days
四つ[yottsu] four
四つんばい[yotsunbai] (crawl) on all fours
四つ角[yotsukado] four corners
四つ足[yotsuashi] four-footed (animal)

ライン川[raingawa] (river) Rhine
安倍川餅[abekawamochi] rice cakes (mochi) with Kinako
川床[kawadoko] riverbed
河川[kasen] rivers
江川る[egawaru] to (try to) act like a big-shot

香川県[kagawaken] Kagawa prefecture (Shikoku)
三途の川[sanzunokawa] Sanzu River (Buddhist equivalent of the River Styx)
山川[sansen] mountains and rivers
四川[shisen] Sichuan (China)
小川[ogawa] streamlet

ちゃんこ料理[chankoryouri] fish, meat, and vegetable stew traditionally served to wrestlers
悪材料[akuzairyou] adverse stock-market factors
斡旋料[assenryou] agent's charge
慰藉料[isharyou] consolation money
衣料[iryou] clothing

医療材料[iryouzairyou] medical supplies
一品料理[ippinryouri] service a la carte
飲料[inryou] beverage
飲料水[inryousui] drinking water
下宿料[geshukuryou] board-and-room charge

さまざまな理由から[samazamanariyuukara] for various reasons
ちゃんこ料理[chankoryouri] fish, meat, and vegetable stew traditionally served to wrestlers
イスラム原理主義[isuramugenrishugi] Islamic fundamentalism
鬼理死丹[kirishitan] early Japanese Christianity (from the later Muromachi period)
データ処理[deetashori] data processing

ファジィ理論[fajiiriron] fuzzy theory
為替管理[kawasekanri] exchange control
一品料理[ippinryouri] service a la carte
一理[ichiri] (a) principle
応用物理学[ouyoubutsurigaku] applied physics