WordPrefix/SuffixMeaning
unhappyun-not happy
redore-do again
unclearun-not clear
refillre-fill again
unfairun-not fair
previewpre-see before
rewritere-write again
disabledis-make unable
misplacemis-put in the wrong place
dislikedis-not like
joyful-fulfull of joy
painful-fulfull of pain
careful-fulfull of care
fearless-lesswithout fear
helpless-lesswithout help
kindness-nessthe state of being kind
sadness-nessthe state of being sad
playful-fulfull of play
hopeful-fulfull of hope
thankless-lesswithout thanks
hopeless-lesswithout hope
rereadre-read again
unlockun-open something locked
disappeardis-go away
misreadmis-read wrongly
dishonestdis-not honest
carefulness-nessthe state of being careful
untieun-to open or release a tie
preheatpre-heat before
rebuildre-build again
uncommonun-not common
misbehavemis-behave badly
refillablere- / -ableable to be refilled
kindnesses-nessacts of being kind
powerless-lesswithout power
cheerful-fulfull of cheer
sadnesses-nessfeelings of sadness
truthful-fulfull of truth
fearless-lesswithout fear
rerecordre-record again
unpleasantun-not pleasant
enjoyable-ableable to be enjoyed
washable-ablecan be washed
painless-lesswithout pain
forgetful-fulfull of forgetfulness
grateful-fulfull of gratitude
unsafeun-not safe
untidyun-not tidy
incorrectin-not correct
invisiblein-not visible
replacere-place again
retellre-tell again
disagreedis-not agree
unlockableun- / -ableable to be unlocked
lovable-ableeasy to love
harmless-lessnot harmful
wonderful-fulfull of wonder
fearless-lesswithout fear
kindly-lyin a kind way
slowly-lyin a slow way
quickly-lyin a quick way
happily-lyin a happy way
bravely-lyin a brave way
calmly-lyin a calm way
recheckre-check again
unfairnessun- / -nessstate of being not fair
playful-fulfull of play
careless-lessnot careful
painfulness-nessthe state of being painful
dishonestdis-not honest
unstoppableun- / -ablecannot be stopped
misleadingmis-leading in the wrong way
retakere-take again
imperfectim-not perfect
impoliteim-not polite
impossibleim-not possible
rebuildablere- / -ableable to be rebuilt
misusedmis-used wrongly
unwelcomeun-not welcome
unequalun-not equal
forgetfulness-nessstate of being forgetful
readiness-nessstate of being ready
speechless-lesswithout speech
rereleasere-release again
respectful-fulfull of respect
disloyaldis-not loyal
unlockableun- / -ableable to be unlocked
improvement-mentthe act of improving
excitement-mentthe act of being excited
attachment-mentsomething attached
agreement-mentthe act of agreeing
enjoyment-mentthe act of enjoying
unkindnessun- / -nessthe state of being unkind
encouragement-mentthe act of encouraging
disappointmentdis- / -mentthe act of being disappointed
advancement-mentthe act of advancing
amazement-mentthe act of being amazed

Let’s practice!