Because of Winn-Dixie (Journeys Grammar/Vocab/Comprehension).

Front

The prefix "re-" means:

Back

again, back

Front

Prefix "un-" means:

Back

not, the opposite of;

Front

Prefix "dis-" meaning:

Back

not, not any, opposite of;

Front

Lost my homework, had to redo it. Redo means:

Back

do it again

Front

Mark and Jeremy had unequal apple slices.

Back

not equal

Front

Discomfort means:

Back

not comfortable

Front

Disobey means:

Back

do not obey

Front

The child was unhappy after breaking her toy. Unhappy means:

Back

not happy

Front

Reconsider means:

Back

To consider again

Front

Unintended means:

Back

Not intending to do