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

異常[ijou] strangeness
異常高温[ijoukouon] abnormally high temperatures
異常終了[ijoushuuryou] abnormal termination (e.g. of a program)
異常発生[ijouhassei] plague
家常[kajou] family custom

経常収支[keijoushuushi] current account balance
経常費[keijouhi] current expenses
五常[gojou] the five cardinal Confucian virtues (justice, politeness, wisdom, fidelity and benevolence)
恒常[koujou] constancy
三角系異常[sankakukeiijou] triangle anomaly