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

膨よか[fukuyoka] plump
下膨れ[shimobukure] round-faced
青膨れ[aobukure] dropsical (blue-green) swelling
熱膨張係数[netsubouchoukeisuu] thermal expansion coefficient
膨らし粉[fukurashiko] baking powder

膨らます[fukuramasu] to swell
膨らみ[fukurami] swelling
膨らむ[fukuramu] to expand
膨れっ面[fukurettsura] sulky look
膨脹[bouchou] expansion