沖積[chuuseki] alluvial
沖積期[chuusekiki] alluvial period
沖積世[chuusekisei] alluvial epoch (i.e. the Holocene epoch)
沖積層[chuusekisou] alluvium
沖積土[chuusekido] alluvial soil

沖仲仕[okinakashi] longshoreman
沖天[chuuten] rising into the heavens
沖縄[okinawa] Okinawa (prefecture)
沖縄開発庁長官[okinawakaihatsuchouchoukan] Director General of Okinawa Development Agency

お生憎様[oainikusama] that's too bad (ironical)
御誕生日おめでとうございます[otanjoubiomedetougozaimasu] Happy Birthday
隣の芝生は青い[tonarinoshibafuhaaoi] the grass is always greener on the other side
生きがいい[ikigaii] fresh (e.g. fish)
コンピューター援用生産[konpyuutaaenyouseisan] computer-aided manufacture

委託生[itakusei] scholarship student sent by government office or business
生す[nasu] to build up
異常発生[ijouhassei] plague
医学生[igakusei] medical student
医学生物学[igakuseibutsugaku] medical biology