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

焙り出し[aburidashi] invisible writing revealed by applying heat
焙り出す[aburidasu] to bring into the open
焙る[aburu] to warm (i.e. one's hands over a fire)
焙烙[houroku] earthenware baking pan
手焙り[teaburi] small brazier

火焙り[hiaburi] burning at the stake
焙じ茶[houjicha] roasted green tea
焙煎[baisen] roasting (e.g. of coffee)
焙じる[houjiru] to roast (i.e. tea leaves)
焙ずる[houzuru] to roast (i.e. tea leaves)