偉功[ikou] great deed
遺功[ikou] works following the deceased
気功[kikou] breathing exercise
九仞の功[kyuujinnokou] spectacular success
勲功[kunkou] merits

軍功[gunkou] meritorious war service
蛍雪の功[keisetsunokou] the fruit of diligent study
功業[kougyou] exploit
功罪[kouzai] both good and bad
功績[kouseki] achievements

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

向きに成る[mukininaru] to become serious
持て成し[motenashi] entertainment
成吉思汗[jingisukan] Japanese mutton and vegetable dish
亜成層圏[aseisouken] substratosphere
成す[nasu] to build up

成手[narite] candidate
育成栽培[ikuseisaibai] vegetable and fruit growing
一気呵成[ikkikasei] finishing writing, work, etc. at a stroke (stretch)
化成[kasei] change
化成工業[kaseikougyou] chemical industry