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

安静[ansei] rest
安静時[anseiji] resting
閑静[kansei] quiet (e.g. neighbourhood, neighborhood)
頸静脈[keijoumyaku] jugular vein
寝静まる[neshizumaru] to fall asleep

静か[shizuka] quiet
静けさ[shizukesa] stillness
静岡県[shizuokaken] Shizuoka prefecture (Chuubu area)
静穏[seion] serene
静観[seikan] watchful waiting