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

右折禁止[usetsukinshi] No Right Turn!
化学兵器禁止条約[kagakuheikikinshijouyaku] chemical weapons ban treaty
解禁[kaikin] lifting a ban
監禁[kankin] confinement
禁じる[kinjiru] to prohibit

禁ずる[kinzuru] to forbid
禁烟[kinen] abstaining from smoking
禁煙車[kinensha] non-smoking car
禁忌[kinki] taboo
禁漁[kinryou] prohibition of fishing