DAO-3

('dao' in the third tone)

There are about 21 standard Chinese characters that are spoken 'dao'. The following character occurs in four of them: 刀 = dao(1) = knife. However, 刀 is also a common radical in many other characters that are not spoken 'dao'.

倒 = to fall

摔倒 = shuai(1)dao(3) = to fall down

(of people, not of things)