執拗[shitsuyou] persistent
拗くれる[nejikureru] to curve
拗ける[nejikeru] to curve
拗ねる[suneru] to be peevish
拗れる[kojireru] to get complicated

拗音[youon] contracted sound
拗れる[nejireru] to twist
拗じる[nejiru] to screw
拗ね者[sunemono] perverse individual
拗らせる[kojiraseru] to aggravate

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