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

グループ分離キャラクタ[guruupubunrikyarakuta] group separator
システム分析[shisutemubunseki] systems analysis
ファイル分離キャラクタ[fairubunrikyarakuta] file separator
ユニット分離キャラクタ[yunittobunrikyarakuta] unit separator
レコード分離キャラクタ[rekoodobunrikyarakuta] record separator

異分子[ibunshi] outsider
医薬分業[iyakubungyou] separation of medical and dispensary practice (practise)
一回分[ikkaibun] dose
一部分[ichibubun] part
一分[ichibu] one tenth

印判師[inbanshi] seal engraver
加判[kahan] affixing a seal
加判人[kahannin] signatory
家庭裁判所[kateisaibansho] family court
割り判[wariban] seal over the edges of adjacent sheets

割判[warihan] tally impression
区裁判所[kusaibansho] local court
軍事裁判[gunjisaiban] court-martial
軍事裁判所[gunjisaibansho] military court
刑事裁判[keijisaiban] criminal trial