First, the parts of speech are different.
1, Tao: it's a noun, such as waves, stormy waves.
2, Tao: can be used as verbs and adjectives, such as endless waves.
Second, the meaning is different.
1, Tao: refers to big waves, and likes the sound of waves.
2. Tao: It means that the water is very full.
Third, there are different explanatory notes.
1, Tao: from water, Shouyin. Take water as the root and longevity as the sound.
2, Tao: scoop (y m 40) from the water. Take water as the square and spoon as the sound side.