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

完結[kanketsu] conclusion
完結文[kanketsubun] sentence
完済[kansai] full payment
完熟[kanjuku] completely ripe or mature
完遂[kansui] to accomplish

完成[kansei] complete
完成品[kanseihin] finished product
完全[kanzen] perfection
完全コピー[kanzenkopii] exact copy
完全主義者[kanzenshugisha] perfectionist