遺作[isaku] posthumous works
一毛作[ichimousaku] (a) single crop
稲作[inasaku] rice cultivation
永小作[eikosaku] perpetual land lease
永子作権[eikosakuken] perpetual land lease

英作文[eisakubun] English composition
遠隔操作[enkakusousa] remote control
佳作[kasaku] good piece of work
家作[kasaku] making house
寡作[kasaku] low production

コスト効率[kosutokouritsu] cost effectiveness
圧電効果[atsudenkouka] piezoelectric effect
偉効[ikou] great effect
逆効果[gyakukouka] backfire
経済効果[keizaikouka] (positive) economic effect

効果[kouka] effect
効果音[koukaon] sound effect
効果的[koukateki] effective
効果覿面[koukatekimen] bring an immediate result on

烏有に帰する[uyuunikisuru] to be reduced to ashes
烏有先生[uyuusensei] fictitious person
恩が有る[ongaaru] to be in one's debt
価値有る[kachiaru] valuable
含有[ganyuu] contain

含有量[ganyuuryou] content (of a mineral, etc.)
享有[kyouyuu] possession
共有[kyouyuu] share
共有財産[kyouyuuzaisan] community property
共有者[kyouyuusha] joint owners

コンピューター援用生産[konpyuutaaenyouseisan] computer-aided manufacture
コンピューター援用設計[konpyuutaaenyousekkei] computer-aided design
コンピュータ用語[konpyuutayougo] computerese
スキー用品[sukiiyouhin] ski outfit
愛用[aiyou] favorite

悪用[akuyou] abuse
医学用語[igakuyougo] medical term
医用[iyou] medical use
医療用[iryouyou] medical use
一人用[hitoriyou] for one person's use