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

庚申[koushin] 57th of the sexagenary cycle
庚申待ち[koushinmachi] staying awake on the eve of the 57th day of the sexagenary cycle (to prevent the three worms from reporting one's wrongdoings and shortening one's lifespan), while worshipping Sakra, the Blue-Faced Vajra, or Sarutahiko
庚午[kanoeuma] seventh of the sexagenary cycle
庚辰[kanoetatsu] seventeenth of the sexagenary cycle

庚寅[kanoetora] twenty-seventh of the sexagenary cycle
庚戌[kanoeinu] 47th of the sexagenary cycle
庚申薔薇[koushinbara] China rose (Rosa chinensis)