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

祈禱者[kitousha] person who prays
黙禱[mokutou] silent prayer
祈禱[kitou] prayer

祈禱書[kitousho] prayer book
祈禱師[kitoushi] medicine man
祈禱会[kitoue] prayer meeting