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

いい加減にしなさい[iikagennishinasai] shape up!
一律減反[ichiritsugentan] reduction in area of rice under cultivation
塩加減[shiokagen] seasoning (with salt)
加減[kagen] addition and subtraction
加減乗除[kagenjoujo] the four arithmetical operations (addition, subtraction, multiplication, division)

加減抵抗器[kagenteikouki] rheostat
火加減[hikagen] condition of fire
経費削減[keihisakugen] cost reduction
軽減[keigen] abatement
激減[gekigen] dropping sharply