カード会員[kaadokaiin] (credit) card holder
ユダヤ教会堂[yudayakyoukaidou] synagogue
委員会[iinkai] committee
医会[ikai] medical society
医師会[ishikai] medical association

井戸端会議[idobatakaigi] content-free chat
育英会[ikueikai] scholarship society
一期一会[ichigoichie] once-in-a-lifetime encounter (hence should be cherished as such)
一般会計[ippankaikei] general accounting and finance
一般社会[ippanshakai] general public

その反面[sonohanmen] on the other hand
に反して[nihanshite] against
違反者[ihansha] violator (of a law)
違反[ihan] violation (of law)
一律減反[ichiritsugentan] reduction in area of rice under cultivation

陰性反応[inseihannou] negative reaction (in patient)
化学反応[kagakuhannou] chemical reaction
可逆反応[kagyakuhannou] reversible reaction
核反応[kakuhannou] nuclear reaction
核反応炉[kakuhannouro] nuclear reactor

運輸省[unyushou] Ministry of Transport
外務省[gaimushou] Ministry of Foreign Affairs
各省[kakushou] each ministry
冠省[kanshou] Forgive me for dispensing with the preliminaries, but I hasten to inform you that...
帰省[kisei] homecoming

教育省[kyouikushou] Department of Education
省みる[kaerimiru] to look back (e.g. over shoulder or at the past)
厚生省[kouseishou] Ministry of Health and Welfare (now Ministry of Health, Labour and Welfare)
国防総省[kokubousoushou] National Military Establishment
国務省[kokumushou] State Department