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

医療保険[iryouhoken] medical-care insurance
陰険[inken] tricky
火災保険[kasaihoken] fire insurance
危険[kiken] danger
危険因子[kikeninshi] risk factor

危険角度[kikenkakudo] critical angle
危険思想[kikenshisou] dangerous thoughts
危険視[kikenshi] regarded as dangerous
危険信号[kikenshingou] danger signal
危険人物[kikenjinbutsu] dangerous character