Answer:
Prefixes. ( Prefixes.
un, out, die. ( En, de.
Disappointment. / Enforcement.
Discouragement. / Delightful
Unsuccessful. / Designer
Disgraceful. / Departure
Unselfish. / Enclosure
Unevenly. / Enjoyment
Outlandish
Disapproval
Unhappiness
Outsider
Unfairness
Suffixes
ful, ly, er, ment
All words except Unselfish, Departure, Outlandish, Disapproval, Unhappiness, Enclosure, Unfairness. (DO NOT INCLUDE THESE WORDS IN THE LAST)