一席[isseki] sitting
運転席[untenseki] driver's seat (in a car)
宴席[enseki] banquet
会席[kaiseki] meeting place
会席膳[kaisekizen] elaborate dinner tray

会席料理[kaisekiryouri] set of dishes served on an individual tray for entertaining guests
外野席[gaiyaseki] outfield bleachers
滑席[kasseki] sliding seat
寄せ席[yoseseki] musical hall
議席[giseki] parliamentary seat

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