翳む[kasumu] to grow hazy
黒翳[kokuei] silhouette
黒底翳[kurosokohi] black cataract
暗翳[anei] shadow

陰翳[inei] shadow
翳る[kageru] to darken
振り翳す[furikazasu] to raise (esp. overhead)
翳り[kageri] shadow or cloud (e.g. on someone's happiness)

お歯黒[ohaguro] tooth blackening
暗黒期[ankokuki] eclipse period
暗黒時代[ankokujidai] Dark Ages
暗黒大陸[ankokutairiku] Dark Continent (i.e. Africa)
黒い[kuroi] black

黒い霧[kuroikiri] thick fog
黒くする[kurokusuru] to blacken
黒ずむ[kurozumu] to blacken
黒っぽい[kuroppoi] dark