Why is the Earth not called planet Water?

Question

Why is the Earth not called planet Water?

Answer 1

Beneath the few miles of ocean lie thousands of miles of earth.

Answer 2

Earth is not just made up from water its also made up from land

you called also say why isn't mars named the red planet .. Oh wait it is Lol

anyway it's just not a very acceptable name for a planet  

Answer 3

More water than earth on the surface of Earth. But beneath Earth there are a lot more earth than water.

Answer 4

There is way more earth than water you just cant see all of it.

Answer 5

because this name is given by humans, which underpin their lives through land (as ground), although in life is largely thanks to water.