渦 whirlpool, eddy, vortex 12 strokes jōyō, taught in secondary school old JLPT 1 #1789 in newspapers Readings Onカ Kunうず In Chinese 涡, traditional 渦 Words written with it 渦 うず whirlpool N1 渦中 かちゅう vortex 渦巻き うずまき whirlpool 渦巻く うずまく to whirl