My bottom is more often wet than it's dry, Use me, go fast, but don't expect me to fly. It's only water I like, and it's always been known, Your final clue is that I am a palindrome.

You say it this way and I say it that way; you potato, I say potato, but let us not call the whole thing off. Many people do not like me sliced, nor eat me like an apple; yet made into a condiment, I become a favorite. Can you name this fruit, oft mistaken for a vegetable?

I spend my life hiding below, while only my hair is left to show.

The more you take, the more you leave behind. What am I?

A couple, two of a kind, shoes, socks or scissors. A yellowish-green fruit with a big bottom. And the act of peeling that fruit with a knife.