抛る[horu] to throw
抛棄[houki] abandonment
抛物線[houbutsusen] parabola
抛擲[houteki] abandoning

抛入れ[nageire] nageire (casual or nature-imitating style of Japanese floral arrangement)
抛つ[nageutsu] to abandon
抛物面[houbutsumen] parabolic surface

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