剣を抜く[tsurugiwonuku] to draw a sword
剣客[kenkaku] fencer
剣玉[kendama] Japanese bilboquet (cup-and-ball game)
剣形[kengata] sword shape
剣劇[kengeki] sword play

剣戟[kengeki] weapons
剣豪[kengou] master fencer
剣山[kenzan] needle-point holder (in ikebana)
剣士[kenshi] swordsman

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