ちょっと一杯[chottoippai] let's have a quick drink
ばつ一[batsuichi] being once divorced
一向[hitaburu] nothing but
サラダ一皿[saradahitosara] plate of salad

安全第一[anzendaiichi] safety first
一か八か[ichikabachika] sink or swim
一っ走り[hitoppashiri] spin (as in 'take a car for a spin')
一つ一つ[hitotsuhitotsu] one-by-one

ニュース媒体[nyuusubaitai] news media
圧力団体[atsuryokudantai] pressure group
安定同位体[anteidouitai] stable isotope
意識体[ishikitai] discarnate entity
為体[teitaraku] state of affairs

異性体[iseitai] isomer
異体[itai] different body
異体字[itaiji] kanji variants
移動体[idoutai] moving body
遺体[itai] corpse

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

この先の心持ち[konosakinokokoromochi] feelings from this point on
御心配なく[goshinpainaku] don't worry
愛郷心[aikyoushin] love of one's hometown
愛国心[aikokushin] patriotic feelings
悪心[akushin] evil thought

悪心[oshin] nausea
安心[anshin] relief
安心立命[anshinritsumei] spiritual peace and enlightenment
以心伝心[ishindenshin] telepathy
依頼心[iraishin] spirit of dependence