酵 Strokes Write it Listen 酵 jiào yeast; to leaven HSK 7–9 14 strokes Radical 酉 Sound + meaning 1 word Built from酉meaningyǒuwine; wine vessel; chemical孝soundxiàofilial piety, obedience; mourning How it works酉 hints at the meaning (wine), and 孝 xiào hints at the sound.