お大事に[odaijini] take care of yourself
暗黒大陸[ankokutairiku] Dark Continent (i.e. Africa)
伊勢大神宮[isedaijinguu] the Grand Shrines of Ise
伊勢大廟[isetaibyou] the Grand Shrines of Ise
偉大[idai] greatness

医科大学[ikadaigaku] medical school
医大[idai] medical university
井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
一大[ichidai] one large ...
一大事[ichidaiji] serious affair

何時もより[itsumoyori] more than usual
御三時[osanji] three-o'clock snack
ある時[arutoki] once (i.e. "once, when I was studying ..")
安静時[anseiji] resting
安土桃山時代[azuchimomoyamajidai] Azuchi-Momoyama period (approx. 1558-1600 CE)

暗黒時代[ankokujidai] Dark Ages
育児時間[ikujijikan] nursing time
ひと時[ittoki] moment
一時に[ichidokini] at the same time
一時間[ichijikan] one hour

横座標[ouzahyou] abscissa
音標文字[onpyoumoji] phonetic symbols
確率標本[kakuritsuhyouhon] random sample
極座標[kyokuzahyou] polar coordinates
元標[genpyou] zero milestone

座標系[zahyoukei] coordinate system
座標軸[zahyoujiku] coordinate axis
座標変換[zahyouhenkan] coordinate transformation
指標[shihyou] index

アジア太平洋地域[ajiataiheiyouchiiki] Asia-Pacific region
印度洋[indoyou] Indian Ocean
遠洋[enyou] ocean
遠洋漁業[enyougyogyou] deep-sea fisheries
仮装巡洋艦[kasoujunyoukan] merchant cruiser

海洋[kaiyou] ocean
海洋科学[kaiyoukagaku] marine science
五大洋[gotaiyou] the Five Oceans (Pacific, Atlantic, Indian, Southern, and Arctic)
三洋[sanyou] Sanyo (company)
巡洋艦[junyoukan] cruiser

衛生基準[eiseikijun] health standards
下準備[shitajunbi] preliminary arrangements
間接照準射撃[kansetsushoujunshageki] indirect fire
規準化[kijunka] normalization
技術水準[gijutsusuijun] state-of-the-art

公準[koujun] postulate (in math, logic, etc.)
高水準[kousuijun] high level
準える[nazoraeru] to pattern after
準じる[junjiru] to follow

西貢[saigon] Saigon
瑞西[suisu] Switzerland
西藏[seizou] Tibet
新西蘭[nyuujiirando] New Zealand
伯剌西爾[burajiru] Brazil

墨西哥[mekishiko] Mexico
以西[isei] ... and westward
関西[kansai] Kansai (south-western half of Japan, including Osaka)
関西辯[kansaiben] Kansai dialect
古今東西[kokontouzai] all times and places