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

お待ち遠さま[omachidoosama] I'm sorry to have kept you waiting
ハッブル望遠鏡[habburubouenkyou] Hubble telescope
以遠[ien] beyond
迂遠[uen] roundabout
永遠[eien] eternity

縁遠い[endooi] unconnected
遠い[tooi] far
遠からず[tookarazu] soon
遠く[tooku] far away