煮沸[shafutsu] boiling up
湯沸器[yuwakashiki] water-heater
沸かす[wakasu] to boil
沸き出す[wakidasu] to gush out
沸上がる[wakiagaru] to boil up

沸き返る[wakikaeru] to boil up
沸き立つ[wakitatsu] to boil strongly
沸点[futten] boiling point
沸騰[futtou] boiling
沸騰点[futtouten] boiling point

涌き出す[wakidasu] to gush out
涌き上る[wakiagaru] to boil up
涌き起る[wakiokoru] to well up
涌き出る[wakideru] to gush forth
涌く[waku] to well (up)

涌出[youshutsu] gushing out
涌き立つ[wakitatsu] to appear suddenly
涌泉[yuusen] bubbling or gushing spring
涌き[waki] welling (up)

湧き出す[wakidasu] to gush out
湧き上る[wakiagaru] to boil up
湧き起る[wakiokoru] to well up
湧き出る[wakideru] to gush forth
湧く[waku] to well (up)

降って湧く[futtewaku] to happen suddenly
湧出[yuushutsu] gushing out
湧き水[wakimizu] spring water
湧出量[yuushutsuryou] output
湧水[yuusui] spring

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