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
repaper, rotator, reviver
Palindromes: Madam I'm Adam Racecar
Palindrome. Funny, that's the category you put it in!
Both racecar and kayak are spelled the same forward and backward. These types of words and phrases are called "palindromes."
Civic
minim
ROTAVATOR
malyalam
a racecar-and a civic
It is noon.