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

威権[iken] authority
永子作権[eikosakuken] perpetual land lease
永住権[eijuuken] permanent residence
越権[ekken] going beyond authority
王権[ouken] royalty

権殿[gonden] temporary shrine (houses the object in which the deity resides when main shrine is under repairs)
加入権[kanyuuken] NTT permission-to-procure-a-phone-line
既得権[kitokuken] vested rights
棄権[kiken] abstaining from voting
棄権者[kikensha] non-voter