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

片口鰯[katakuchiiwashi] Japanese anchovy (Engraulis japonica)
半片[hanpen] pounded fish cake
鴉片窟[ahenkutsu] opium den
一日片時[ichinichihenji] short time
一片[ippen] (a) slice

花片[kahen] petal
欠片[kakera] fragment
跡片付け[atokatazuke] tidying up
砕片[saihen] debris
細片[saihen] crumbling

一念発起[ichinenhokki] being resolved to (do something)
引き起す[hikiokosu] to cause
縁起[engi] omen
喚起[kanki] arousal
起きる[okiru] to get up

起上る[okiagaru] to rise
起す[okosu] to raise
起こり得る[okoriuru] to be possible to occur
起る[okoru] to occur
起つ[tatsu] to rise up