衣桁[ikou] clothes rack
井桁[igeta] well lining
一桁[hitoketa] one digit
桁橋[ketabashi] girder bridge
五桁[goketa] five-digit number

三桁[miketa] three-digit number
四桁[yoketa] four-digit number
二桁[futaketa] two-digit number
桁外れ[ketahazure] incredible

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