Which words can you spell backwards?

Words that are spelled the same forward and backward are called "palindromes", including such Words as noon, radar, racecar, and redder.

Words that spell different Words when spelled backward are variously known as semodnilaps, heteropalindromes, and anadromes. They include such Word pairs as stressed/desserts, deliver/reviled, and diaper/repaid.

(see related links for lists)