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

過激[kageki] extreme
過激派[kagekiha] radical party
感激[kangeki] deep emotion
急激[kyuugeki] sudden
矯激[kyougeki] radical

激臭[gekishuu] strong odor
激化[gekika] intensification
激減[gekigen] dropping sharply
激賞[gekishou] enthusiastic praise
激情[gekijou] violent emotion