Brain Teaser!!

What do the following words have in common?

1 Banana

2 Dresser

3 Grammar

4 Potato

5 Revive

6 Uneven

7 Assess

Are you peeking or have you already given up?

Give it another try.

Look at each word carefully.

(You'll kick yourself when you discover the answer)

Answer:

No, it is not that they all have at least 2 double letters.

(Thought I had the answer, but I did not go far enough.)

Answer:

In all of the words listed, if you take the first letter, place it at the end of the word,

and then spell the word backwards, it will be the same word.