If in a code, A L T E R E D is written as Z O G V I V W, then in the same code, R E L A T E D would be written as.

 I V O Z G V W

Clearly, each letter of the word A L T E R E D is replaced by the letter which occupies the same position from the other end of the English alphabet, to obtain the code. Thus, A the first letter of the alphabet, is replaced by Z, the last letter. L, the 12th letter from the beginning of the alphabet, is replaced by O, the 12th letter from the end. T, the 7th letter from the end of the alphabet is replaced by G, the 7th letter from the beginning of the alphabet, and so on.

      A B C  D E F G H I  J K L M

    Z Y X W V U T S R Q P O N

Similarly, R E L A T E D is written as I V O Z G V W.