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

矢っ張し[yappashi] also
一矢[isshi] an arrow
逸れ矢[soreya] stray arrow
遠矢[tooya] long-distance arrow (archery)
弓矢[yumiya] bow and arrow

光陰矢の如し[kouinyanogotoshi] time flies like an arrow
二の矢[ninoya] second arrow
無理矢理[muriyari] forcibly
矢印[yajirushi] arrow (mark or symbol)

火箭[kasen] fire arrow
弓箭[kyuusen] bows and arrows

箭竹[yadake] bamboo arrow shaft
銀箭[ginsen] silver arrow