< Radical
Radical 208 is the rat radical, 鼠. Even that word has been replace with 쇼. It's useless.
鼬 -->𫠘
鼯 -->吾
鼴 -->晏
鼷-->小鼡
鼹 -->晏
鼺 --> 鼯鼠 --> 吾鼠