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

セーム革[seemugawa] chamois leather
沿革[enkaku] history
革まる[aratamaru] to be renewed
革める[aratameru] to change
改革[kaikaku] reform

改革案[kaikakuan] reform proposal
改革過程[kaikakukatei] reform process
革靴[kawagutsu] leather shoes
革新[kakushin] reform
革新系[kakushinkei] liberal

一鼓[ikko] the first beat of the war drum
軍鼓[gunko] war drum
鼓弓[kokyuu] kokyu (3 or 4-stringed bowed Japanese musical instrument)
鼓室[koshitsu] tympanic cavity
鼓手[koshu] drummer

鼓手長[koshuchou] drum major
鼓吹[kosui] inspiration
鼓吹者[kosuisha] advocate
鼓脹[kochou] flatulence