烽火[rouen] beacon

烽烟[houen] smoke signals

愛煙家[aienka] heavy smoker
煙い[kemui] smoky
煙たい[kemutai] smoky
煙たがる[kemutagaru] to be sensitive to smoke
煙る[kemuru] to smoke (e.g. fire)

煙雨[enu] misty, fine or drizzling rain
煙火[enka] smoke and fumes (e.g. from cooking)
煙霞[enka] smoke and mist
煙害[engai] smoke pollution