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

衣鉢[ihatsu] mysteries of one's master's art
火鉢[hibachi] brazier
向こう鉢巻[mukouhachimaki] folded or rolled head towel
小鉢[kobachi] small bowl
植木鉢[uekibachi] flowerpot

托鉢[takuhatsu] monk's "begging"
鉢合せ[hachiawase] bumping of heads
鉢植[hachiue] potted plant
丼鉢[donburibachi] bowl