蹑 𧾷 + 聂 𧾷 Part foot 聂 Part niè whisper Appears in characters like: 跟 跑 路 跳 踢 蹲 踏 跪 跨 跌 踩 蹲 趴 蹦 距 踪 踹 蹭 蹬 跃 跤 蹄 趾 跛
悄 忄 + 肖 忄 Part xīn heart 肖 Part xiào look like Appears in characters like: 快 忙 慢 懂 怕 性 怪 恨 慌 惨 懒 情 怀 惊 恤 恤 忆 悚 悍 惯 恰 悟 忧 愣