re-
to build again.
rebuild
to not be kind
unkind
to not like somthing
dislike
to badly match something
mismatch
to heat something before
preheat
to take something again
retake
to not be happy
unhappy
to not be honest
dishonest
to badly place something
misplace
to take a test before
pretest
to use something again
reuse
not even
uneven
to not appear
disappear
to badly behave
misbehave
to view something before
preview
to write something again
rewrite
to not be selfish
unselfish
to not be loyal
disloyal
to badly treat someone
mistreat
to be aware before
precaution
to copy something again
recopy
to not be steady
unsteady
the opposite of comfort
discomfort
to be badly judged
misjudge
to fix something before
prefix