If you can figure out what these words have in common, you are a lot smarter than I am.
You're not giving up so soon, are you? Give it another try. You will kick yourself when you discover the answer.
Go back and look at them again; think hard. Have you figured it out yet?
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.
Pretty cool, huh?