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

畏懼[iku] reverence
疑懼[giku] apprehension
恐懼[kyouku] being struck with awe
憂懼[yuuku] fear
懼れる[osoreru] to fear

危懼[kiku] fear
恐懼感激[kyoukukangeki] being struck with awe
驚懼[kyouku] being startled
惶懼[kouku] being struck with awe