They're called palindromes. (Actually, "palindrome" is a bit more generous than that, since the definition excludes punctuation, including spaces.)
See the 'related links' below for a great selection of palindromes.
Racecar
palindromes -J
repaper, rotator, reviver
Palindrome. Funny, that's the category you put it in!
Palindromes: Madam I'm Adam Racecar
Racecar
palindromes -J
A word or sentence that is spelled the same backward and forward is called a palindrome.
repaper, rotator, reviver
A word that is spelled the same way forward and backward is called a palindrome.
Palindrome. Funny, that's the category you put it in!
Palindromes: Madam I'm Adam Racecar
Both racecar and kayak are spelled the same forward and backward. These types of words and phrases are called "palindromes."
A racecar - and a Civic :)
Tat
It is noon.
minim