How many words with 7 or more letters make the same word backward and foward?

Question

I only know of racecar, I was wondering if there are any longer words

Answer 1

Redivider. It's called a palindrome.

Answer 2

deified, rotator, reviver....a lot of palindromes need more than one word... here's a lost of one word ones:

http://www.tankardsaweigh.com/Lex_Pages/...

and heres one that has tons and tons that are more than just one word: http://www.palindromelist.com

Answer 3

A nut for a jar of tuna. <palindrome sentence>

deleveled

detartrated

devoved

hannah

havivah

repaper

reviver

rotator