暗君[ankun] foolish ruler
我が君[wagakimi] my lord
君子[kunshi] man of virtue
君子豹変[kunshihyouhen] the wise readily adapt themselves to changed circumstances

君主[kunshu] ruler
君臣[kunshin] ruler and ruled
君たち[kimitachi] (used colloquially by young females) you (plural)
君臨[kunrin] reigning

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