A.
Whip: Already equipped on Rydia when you get her back in the Underworld, and you can buy it at Mist for 3000 gil

Fire Whip: You can find it in the Lunar Subterrian

Chain Whip: Can be brought at the Land of Summons and the Town of Tomra for 6000gil

Blitz Whip: Can be brought at the Land of Summons for 10000 gil


Q. Name all of the Axes in the game. And where can you obtain them?