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

ニュース媒体[nyuusubaitai] news media
圧力団体[atsuryokudantai] pressure group
安定同位体[anteidouitai] stable isotope
意識体[ishikitai] discarnate entity
為体[teitaraku] state of affairs

異性体[iseitai] isomer
異体[itai] different body
異体字[itaiji] kanji variants
移動体[idoutai] moving body
遺体[itai] corpse

一系[ikkei] single-family lineage
家系[kakei] family lineage
革新系[kakushinkei] liberal
共産系[kyousankei] communist controlled
銀行系カード[ginkoukeikaado] bank issued credit card

系図[keizu] family tree
系図学[keizugaku] genealogy (the study)
系統[keitou] system
系統樹[keitouju] genealogical tree

愛育[aiiku] tender nurture
安全教育[anzenkyouiku] safety education
育ち[sodachi] breeding
育ちゆく[sodachiyuku] to grow up
育つ[sodatsu] to be raised (e.g. child)

育て[sodate] bringing up
育ての親[sodatenooya] foster parents
育てる[sodateru] to raise
育てあげる[sodateageru] to raise (to maturity)
育て親[sodateoya] foster parent