ダムダム弾[damudamudan] dum-dum ammunition
弾機[hatsujou] spring (e.g. coil, leaf)
パイプ爆弾[paipubakudan] pipe bomb
プラスチック爆弾[purasuchikkubakudan] plastic explosive
曳火弾[eikadan] tracer bullet

曳光弾[eikoudan] tracer bullet
円弾[endan] round shot
煙弾[endan] smoke bomb
核弾頭[kakudantou] nuclear warhead
核爆弾[kakubakudan] nuclear weapon

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