WordPrefix/SuffixBase WordMeaning (Simple)
unhappyun-happynot happy
replayre-playplay again
kindness-nesskindbeing kind
fastest-estfastthe most fast
preheatpre-heatheat before
redore-dodo again
careless-lesscarewithout care
joyful-fuljoyfull of joy
retellre-telltell again
fearless-lessfearwithout fear
unhappyun-happynot happy
biggest-estbigthe most big
misbehavemis-behavebehave badly
teacher-erteachone who teaches
pretestpre-testa test before the real test
hopeful-fulhopefull of hope
unfairun-fairnot fair
refillre-fillfill again
helpful-fulhelpfull of help
painter-erpaintone who paints
misreadmis-readread wrongly
watcher-erwatchsomeone who watches
prepaypre-paypay before
user-eruseone who uses
thankless-lessthankwithout thanks
rewritere-writewrite again
joyful-fuljoyfull of joy
unreadun-readnot read
remakere-makemake again
kindness-nesskindbeing kind
careless-lesscarewithout care
rereadre-readread again
unfriendlyun-friendlynot friendly
builder-erbuildsomeone who builds
playful-fulplayfull of play
dislikedis-likenot like
misplacemis-placeput in the wrong place
reworkre-workwork again
teacher-erteachsomeone who teaches
softly-lysoftin a soft way
nicely-lynicein a nice way
unfairun-fairnot fair
impoliteim-politenot polite
helpless-lesshelpwithout help
runner-errunone who runs
unhappyun-happynot happy
careful-fulcarefull of care
slowly-lyslowin a slow way
redore-dodo again
walker-erwalkone who walks
disowndis-ownnot own
untieun-tienot tied
previewpre-viewview before
singer-ersingone who sings
restful-fulrestfull of rest
painless-lesspainwithout pain
retakere-taketake again
childish-ishchildlike a child
truthful-fultruthfull of truth
preplanpre-planplan before
forgetful-fulforgetoften forgets
sadly-lysadin a sad way
restful-fulrestfull of rest
joyful-fuljoyfull of joy
closely-lyclosein a close way
swimmer-erswimone who swims
listener-erlistenone who listens
harmless-lessharmwithout harm
fearless-lessfearwithout fear
recheckre-checkcheck again
miscountmis-countcount wrongly
redore-dodo again
replacere-placeplace again
careful-fulcarefull of care
lifeless-lesslifewithout life
tasteless-lesstastewithout taste
sickness-nesssickbeing sick
darkness-nessdarkbeing dark
lovely-lylovein a lovely way
powerful-fulpowerfull of power
driver-erdriveone who drives
leader-erleadone who leads
painter-erpaintone who paints
washer-erwashone who washes
walker-erwalkone who walks
hopeless-lesshopewithout hope
rewritere-writewrite again
recoverre-covercover again
unlockun-locknot locked
unlockableun-, -ablelockable to be unlocked
repayre-paypay again
misspellmis-spellspell wrongly
distrustdis-trustnot trust
retellre-telltell again
friendly-lyfriendin a friendly way
brightness-nessbrightbeing bright
childish-ishchildlike a child
stylish-ishstylelike style
runner-errunsomeone who runs

Let’s practice!