井戸掘り[idohori] well digging
芋掘り[imohori] potato field (furrows)
釜を掘る[kamawohoru] to perform anal sex
掘下げる[horisageru] to dig down
掘起す[horiokosu] to reclaim

掘出す[horidasu] to dig out
掘当てる[horiateru] to strike
掘抜く[horinuku] to dig through
掘る[horu] to dig
根掘り葉掘り[nehorihahori] thoroughly

火燵掛布[kotatsugake] cover for kotatsu
火燵布団[kotatsubuton] cover for kotatsu
引火[inka] catching fire
引火温度[inkaondo] flash temperature
引火点[inkaten] flash point

曳火弾[eikadan] tracer bullet
煙火[enka] smoke and fumes (e.g. from cooking)
遠火[toobi] distant fire
下火[shitabi] burning low
下火になる[shitabininaru] to be under control

火燵掛布[kotatsugake] cover for kotatsu
火燵布団[kotatsubuton] cover for kotatsu
火燵[kotatsu] kotatsu

掘炬燵[horigotatsu] low, covered table placed over a hole in the floor of a Japanese-style room
置火燵[okigotatsu] portable brazier
炬燵虫[kotatsumushi] someone who curls up under a kotatsu all winter