安危[anki] fate
危うい[ayaui] dangerous
危うく[ayauku] barely
危ない[abunai] dangerous
危ながる[abunagaru] to be afraid of

危なっかしい[abunakkashii] dangerous
危ぶむ[ayabumu] to fear
危める[ayameru] to wound
危絵[abunae] suggestive or indecent picture
危害[kigai] injury

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