お使[otsukai] errand
み使い[mitsukai] angel
悪天使[akutenshi] evil angels
かな使い[kanazukai] kana orthography
雁の使い[karinotsukai] (a) letter

旧仮名使い[kyuukanazukai] former (i.e. before the post-WWII reforms) kana usage in writing the readings of kanji
金を使う[kanewotsukau] to spend money
駆使[kushi] free use
軍使[gunshi] truce bearer
権利行使[kenrikoushi] exercise of a right

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

ミサイル駆逐艦[misairukuchikukan] (guided) missile destroyer
駆けっこ[kakekko] (foot) race
駆ける[kakeru] to run (race, esp. horse)
駆降りる[kakeoriru] to run down (stairs, etc.)
駆けまわる[kakemawaru] to run around

駆寄る[kakeyoru] to rush over
駆けこみ[kakekomi] last-minute rush
駆込み寺[kakekomidera] (women's) refuge
駆込む[kakekomu] to rush in (at the last minute)
駆上る[kakeagaru] to run up