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

御注意[gochuui] caution
悪意[akui] ill will
意張る[ebaru] to be proud
意外[igai] unexpected
意氣[iki] spirit

意気軒高[ikikenkou] in high spirits
意気込む[ikigomu] to be enthusiastic about
意気銷沈[ikishouchin] depressed in spirits
意気阻喪[ikisosou] depressed in spirits
意気地[ikuji] self-respect

愛書[aisho] great love of books
愛読書[aidokusho] favourite book
悪書[akusho] harmful book
案内書[annaisho] guidebook
移動図書館[idoutoshokan] mobile library

遺言書[yuigonsho] testament
遺書[isho] note left by dead person
医書[isho] medical book
一つ書き[hitotsugaki] an item
一書[issho] one letter