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

梱包[konpou] packing
開梱[kaikon] open (as of a pack)
同梱[doukon] including something in a package

梱包材[konpouzai] packing material (boxes, insulation, shock resistance, etc.)
梱包費[konpouhi] packaging cost
梱る[kouru] to pack