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

歓迎[kangei] welcome
歓迎会[kangeikai] welcome party
歓送迎会[kansougeikai] party to welcome (e.g. new employees) and send off (e.g. retiring employees)
迎え[mukae] meeting
迎える[mukaeru] to go out to meet

迎え撃つ[mukaeutsu] to ambush
迎え酒[mukaezake] hair of the dog
迎え入れる[mukaeireru] to show in
迎撃[geigeki] intercept
迎撃機[geigekiki] interceptor