They're called palindromes.
Palindromes
palindrome
palindromes
Palindromes
palindromes
An anadrome.
A word that is spelled the same both forwards and backwards is referred to as a Palindrome.
Words that are the same forwards and backwards are called palindromes.
Palindromes are words, names, or sentences spelled the same backwards and forwards, like pop, Otto, and "Able was I ere I saw Elba."
It is called a semordilap which is backwards for palidromes. An example of a palidrome is kayak which is the same when read both forwards and backwards. An example of a semordilap is dog and G-d which use the same letters when read forwards or backwards but are obviously different words.
Palindromes
Words that sound the same backwards as spoken forwards are called palindromes, such as "radar" or "level."
A Palindrome.