其れ共[soretomo] or
と共に[totomoni] together with
ドイツ民主共和国[doitsuminshukyouwakoku] German Democratic Republic (i.e. former East Germany)
ドイツ連邦共和国[doitsurenpoukyouwakoku] Federal Republic of Germany (former West Germany)
ビジネススクール入学共通試験[bijinesusukuurunyuugakukyoutsuushiken] business school entrance test

欧州共同体[oushuukyoudoutai] European Community
共に[tomoni] together
共営[kyouei] joint management
共栄[kyouei] mutual prosperity

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

ジェット推進研究所[jettosuishinkenkyuusho] Jet Propulsion Laboratory
観察的研究[kansatsutekikenkyuu] observational study
基礎研究[kisokenkyuu] basic research
客員研究員[kyakuinkenkyuuin] visiting researcher
共同研究[kyoudoukenkyuu] collaborative research

研学[kengaku] study
研究[kenkyuu] study
研究チーム[kenkyuuchiimu] research team
研究員[kenkyuuin] researcher
研究会[kenkyuukai] research society

ジェット推進研究所[jettosuishinkenkyuusho] Jet Propulsion Laboratory
学究[gakkyuu] scholar
観察的研究[kansatsutekikenkyuu] observational study
基礎研究[kisokenkyuu] basic research
客員研究員[kyakuinkenkyuuin] visiting researcher

究極[kyuukyoku] ultimate
究明[kyuumei] investigation (esp. in academic and scientific contexts)
究極目的[kyuukyokumokuteki] extreme purpose
共同研究[kyoudoukenkyuu] collaborative research
研究[kenkyuu] study