1. ex as in exculpate   in favour of, forward   large, long   out   prior to, before   Hint Half-n-half Clue   2. extra as in extrapolate   bad, faulty   outside, beyond   in favour of, forward   large, long   Half-n-half Clue   3. hypo as in hypochondria   not   below normal, lower   large, long   away from   Half-n-half Clue   4. demi as in demigod   not   earliest, first   large, long   half, partly   Half-n-half Clue   5. ambi as in ambivalence   prior to, before   below normal, lower   in favour of, forward   both   Half-n-half Clue   6. ab as in aberration   across   opposite, against   away from   bad, faulty   Half-n-half Clue   7. sub as in subside   in favour of, forward   under, less   excessively   opposite, against   Half-n-half Clue