They're called palindromes.
palindromes
A Palindrome.
An anadrome.
They are called palindromes.
Palindromes.
Palindromes.
HI: A palindrome.
Palindromes
palindromes
A Palindrome.
palindrome
palindromes
palindromes
palindromes
An anadrome.
Words that form others when spelled backwards are known as palindromic words. This applies to phrases as well. However, "drapel" is not, because "lepard" is spelled "leopard".
They're called palindromes.