遺作[isaku] posthumous works
一毛作[ichimousaku] (a) single crop
稲作[inasaku] rice cultivation
永小作[eikosaku] perpetual land lease
永子作権[eikosakuken] perpetual land lease

英作文[eisakubun] English composition
遠隔操作[enkakusousa] remote control
佳作[kasaku] good piece of work
家作[kasaku] making house
寡作[kasaku] low production

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