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

荊冠[keikan] crown of thorns
荊妻[keisai] my wife (lit: thorn spouse)
荊棘[odoro] briars

荊棘[keikyoku] wild rose
荊棘線[barasen] barbed wire
蔓荊[hamagou] beach vitex (Vitex rotundifolia)