It may technically be called a palindrome, but I think it's just "backwords." Backwords is my made-up term for words that spell a word in either direction.
Some of my favorites are:
lived - devil
desserts – stressed
redrawer – rewarder
deliver – reviled
gateman – nametag
leveler – relevel
evil - live
Do you know of any other "backwords?"
Here's one that might not occur to you (since one of the words is a bit archaic), but here goes:
ReplyDeleterood (an old term for the Cross) - door