How do you say soap in Chinese?
— 肥皂 (féizào); SOAP; 肥皂; SOAP; 肥皂

Generic synonyms for soap in Chinese
clean乾淨, 干净 (gānjìng)
Entails for soap in Chinese
wash洗 (xǐ), 洗滌, 洗涤 (xǐdí), 沖洗, 冲洗 (chōngxǐ)