これと同じ[koretoonaji] the same as this
と同じ様に[toonajiyouni] in the same way as
安定同位体[anteidouitai] stable isotope
異句同音[ikudouon] in concert
異口同音に[ikudouonni] in one voice

異同[idou] difference
一口同音[ikkudouon] reading in unison
一視同仁[isshidoujin] loving every human being with impartiality
一心同体[isshindoutai] being one in body and soul
一同[ichidou] all present

テレビ局[terebikyoku] television station
医局[ikyoku] medical office
一局[ikkyoku] one game (checkers, etc.)
一局部[ichikyokubu] one part
衛星地球局[eiseichikyuukyoku] (satellite) earth station

開局[kaikyoku] opening of post-office or telephone exchange
外局[gaikyoku] external bureau
管理局[kanrikyoku] administration bureau
危局[kikyoku] crisis
共産党政治局[kyousantouseijikyoku] Politburo