冶具[jigu] jig (tool)
鍛冶[kaji] smithing
刀鍛冶[katanakaji] swordsmith
冶金[yakin] metallurgy
冶金学[yakingaku] metallurgy (the science)

冶金学者[yakingakusha] metallurgist
冶工[yakou] metallurgical worker
陶冶[touya] training
鍛冶屋[kajiya] smith

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