The words below share a very unusual quality. Can you determine what it is?

1. Grammar

2. Prefer

3. Revive

4. Motto

5. Voodoo

6. Igniting

 

Answer:

 

Moving the first letter of each word to the end of the word and reading backward, the word stays the same.

 

Credit:

GAMES/World of Puzzles

April, 2016

Raymond Love