半平[hanpei] pounded fish cake
一紙半銭[isshihansen] small sum
一知半解[icchihankai] superficial knowledge
一半[ippan] half
印半天[shirushibanten] livery coat

下四半期[shimoshihanki] last quarter (of the year)
下半[kahan] lower half
過半[kahan] the greater part
過半数[kahansuu] majority
脚半[kyahan] gaiters

安全期[anzenki] safe period
暗黒期[ankokuki] eclipse period
一期[ichigo] one's life time
一期[ikki] one term
一期一会[ichigoichie] once-in-a-lifetime encounter (hence should be cherished as such)

一周期[isshuuki] period (in astronomy)
一定期間[itteikikan] fixed interval
延期[enki] postponement
延期になる[enkininaru] to be postponed
沖積期[chuusekiki] alluvial period

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