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

救い[sukui] help
救い出す[sukuidasu] to rescue
救い上げる[sukuiageru] to pick up and rescue
救う[sukuu] to rescue from
救援[kyuuen] relief

救急[kyuukyuu] first-aid
救急ヘリコプター[kyuukyuuherikoputaa] ambulance helicopter
救急車[kyuukyuusha] ambulance
救急箱[kyuukyuubako] first-aid kit
救護[kyuugo] relief

皆済[kaisai] settlement
完済[kansai] full payment
気が済む[kigasumu] to be satisfied
規模の経済[kibonokeizai] economies of scale
救済[kyuusai] relief

救済策[kyuusaisaku] relief measure
救済者[kyuusaisha] savior
共済[kyousai] mutual aid
共済組合[kyousaikumiai] cooperative society
共同救済基金[kyoudoukyuusaikikin] community chest