奇襲[kishuu] surprise attack
逆襲[gyakushuu] counterattack
急襲[kyuushuu] raid
空襲[kuushuu] air-raid
襲ぐ[tsugu] to succeed (someone in a business or inheritance)

襲い掛る[osoikakaru] to rush on
襲い攻める[osoisemeru] to array against
襲う[osou] to attack
襲撃[shuugeki] attack
襲爵[shuushaku] succession to the peerage

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