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

陰鬱[inutsu] gloom
鬱積[usseki] accumulation (e.g. of emotions, grievances, etc.)
抗鬱[kouutsu] antidepressant
鬱を散じる[utsuwosanjiru] to chase one's gloom away
鬱陶しい[uttoushii] gloomy (e.g. mood)

鬱病[utsubyou] melancholia
躁鬱[souutsu] manic-depressive (bipolar)
躁鬱病[souutsubyou] manic depression
鬱血[ukketsu] blood congestion
鬱蒼[ussou] thick