兵戈[heika] swords
干戈[kanka] shield and halberd
戈を収める[hokowoosameru] to sheathe one's sword
干戈を交える[kankawomajieru] to open hostilities

戈構え[hokogamae] kanji "spear" radical at right
戈旁[hokozukuri] kanji "spear" radical at right
銅戈[douka] bronze dagger-axe

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