伸べる[noberu] to lay out (a futon)
延伸[enshin] extension
屈伸[kusshin] elasticity
欠伸[akubi] yawn
差伸べる[sashinoberu] to hold out

三伸[sanshin] second postscript
伸し[noshi] stretching
伸し掛る[noshikakaru] to lean on
伸し上がる[noshiagaru] to stand on tiptoe
伸し上げる[noshiageru] to promote

ガス欠[gasuketsu] running out of gasoline (petrol)
欠けがえのない[kakegaenonai] irreplaceable
間欠[kanketsu] intermittence
金欠[kinketsu] running out of money
欠かす[kakasu] to miss (doing)

欠く[kaku] to chip
欠け[kake] fragment
欠ける[kakeru] to be chipped
欠員[ketsuin] vacancy
欠課[kekka] cutting class

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