卖/賣, sell, serves as phonetic component to form characters. The position of 卖 in a character: left, right, bottom.
Characters formed by the semantic component 卖
Traditional: 讀 犢 櫝 牘 黷 瀆 the same pronunciation dú 覿 dí 竇 贖 續 dòu shú xù
Simplified: 读 犊 椟 牍 黩 渎 the same pronunciation dú 觌 dí 窦 赎 续 dòu shú xù