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

橋脚舟[kyoukyakushuu] pontoon
呉越同舟[goetsudoushuu] bitter enemies (placed by fate) in the same boat
笹舟[sasabune] toy bamboo-leaf boat
舟唄[funauta] sailor's song
舟橋[funahashi] pontoon

舟艇[shuutei] boat
助け舟[tasukebune] lifeboat
小舟[kobune] boat
上陸用舟艇[jourikuyoushuutei] landing craft
渡し舟[watashibune] ferry