unkind
not kind
paint again
repaint
test before
pretest
dislike
not like
not agree
disagree
unclean
not clean
not happy
unhappy
disobey
not obey
preschool
before school
repack
pack again
mix before
premix
pay before
prepay
prewrite
write before
tie again
retie
rename
name again
read again
reread
dishonest
not honest
unlock
not lock
not lucky
unlucky
disappear
not appear
untie
not tie