外堀[sotobori] outer moat (castle)
堀り抜く[horinuku] to dig through
根堀り葉堀り[nehorihahori] thoroughly
堀り鼠[horinezumi] pocket gopher
堀散らす[horichirasu] to dig up messily

堀川[horikawa] canal
内堀[uchibori] inner moat
釣堀[tsuribori] fish pond
堀り返す[horikaesu] to dig up

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