御古[ofuru] used article (esp. clothes)
手古摺る[tekozuru] to have much trouble
土耳古[toruko] Turkey
下稽古[shitageiko] rehearsal
懐古[kaiko] recalling the old days

擬古[giko] imitation of classical styles
擬古文[gikobun] classical style
稽古[keiko] practice
遠古登点[wokototen] marks to aid in reading Chinese classics
古え[inishie] antiquity

何時もより[itsumoyori] more than usual
御三時[osanji] three-o'clock snack
ある時[arutoki] once (i.e. "once, when I was studying ..")
安静時[anseiji] resting
安土桃山時代[azuchimomoyamajidai] Azuchi-Momoyama period (approx. 1558-1600 CE)

暗黒時代[ankokujidai] Dark Ages
育児時間[ikujijikan] nursing time
ひと時[ittoki] moment
一時に[ichidokini] at the same time
一時間[ichijikan] one hour

アナログ計算機[anarogukeisanki] analog computer
コンピューター援用設計[konpyuutaaenyousekkei] computer-aided design
圧力計[atsuryokukei] manometer
移行計画[ikoukeikaku] transition plan
一計[ikkei] plan

一般会計[ippankaikei] general accounting and finance
雨量計[uryoukei] rain gauge
温度計[ondokei] thermometer
家計[kakei] household economy
家計簿[kakeibo] household account book