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

シーソー遊び[shiisooasobi] seesaw (game)
悪遊び[waruasobi] prank
園遊会[enyuukai] garden party
宴遊[enyuu] drinking party hall
火遊び[hiasobi] playing with fire

回遊[kaiyuu] excursion
外遊[gaiyuu] foreign travel
旧遊の地[kyuuyuunochi] familiar haunts
吟遊詩人[ginyuushijin] troubadour
空中浮遊[kuuchuufuyuu] levitation