Formation of verb, noun, and adjective by adding "dis " prefix
|
Prefix
|
Root / Base word
|
New word
|
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connect
|
disconnect
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continue
|
discontinue
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courage
|
discourage
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|
credit
|
discredit
|
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favour
|
disfavour
|
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grace
|
disgrace
|
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honest
|
dishonest
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|
honourable
|
dishonourable
|
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|
like
|
dislike
|
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|
loyal
|
disloyal
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obedient
|
disobedient
|
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oblige
|
disoblige
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|
|
qualification
|
disqualification
|
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|
qualify
|
disqualify
|
|
dis +
|
regard
|
disregard
|
|
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respect
|
disrespect
|
|
|
satisfaction
|
dissatisfaction
|
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|
satisfied
|
dissatisfied
|
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similar
|
dissimilar
|
|
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comfort
|
discomfort
|
|
|
connected
|
disconnected
|
|
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graceful
|
disgraceful
|
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obedience
|
disobedience
|
|
|
obey
|
disobey
|
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|
please
|
displease
|
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pleasure
|
displeasure
|
|
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qualified
|
disqualified
|
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respectful
|
disrespectful
|
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satisfactory
|
dissatisfactory
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satisfy
|
dissatisfy
|
|
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union
|
disunion
|
Formation of verb, noun and adjective by adding "en" prefix
|
Prefix
|
Root / Base word
|
New word
|
|
|
able
|
enable
|
|
|
counter
|
encounter
|
|
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dear
|
endear
|
|
en +
|
lighten
|
enlighten
|
|
|
noble
|
ennoble
|
|
|
rich
|
enrich
|
|
|
circle
|
encircle
|
|
|
close
|
enclose
|
|
|
courage
|
encourage
|
|
en +
|
danger
|
endanger
|
|
|
joy
|
enjoy
|
|
|
large
|
enlarge
|
|
|
list
|
enlist
|
|
|
sure
|
ensure
|
Formation of verb, noun and adjective by adding "il" prefix
|
Prefix
|
Root / Base word
|
New word
|
|
|
legal
|
illegal
|
|
|
literacy
|
illiteracy
|
|
il +
|
legality
|
illegality
|
|
|
legitimate
|
illegitimate
|
|
|
literate
|
illiterate
|
Formation of verb, noun and adjective by adding "im" prefix
|
Prefix
|
Root / Base word
|
New word
|
|
|
modest
|
immodest
|
|
|
moral
|
immoral
|
|
|
mortal
|
immortal
|
|
|
partial
|
impartial
|
|
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patience
|
impatience
|
|
|
perfect
|
imperfect
|
|
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prision
|
imprision
|
|
|
proper
|
improper
|
|
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provable
|
improvable
|
|
|
pure
|
impure
|
|
|
modesty
|
immodesiy
|
|
im +
|
patient
|
impatient
|
|
|
pious
|
impious
|
|
|
polite
|
impolite
|
|
|
possible
|
impossible
|
|
|
purity
|
impurity
|
Formation of verb, noun and adjective by adding "in" prefix
|
Prefix
|
Root / Base word
|
New word
|
|
|
ability
|
inability
|
|
|
accuracy
|
inaccuracy
|
|
|
active
|
inactive
|
|
|
appropriate
|
inappropriate
|
|
|
attentive
|
inattentive
|
|
|
capable
|
incapable
|
|
|
complete
|
incomplete
|
|
in +
|
decision
|
indecision
|
|
|
correct
|
incorrect
|
|
|
decency
|
indecency
|
|
|
definite
|
indefinite
|
|
|
dependence
|
independence
|
|
|
different
|
indifferent
|
|
|
digestion
|
indigestion
|
|
|
effective
|
ineffective
|
|
|
human
|
inhuman
|
|
|
justice
|
injustice
|
|
|
security
|
insecurity
|
|
|
sincerity
|
insincerity
|
|
|
sufficient
|
insufficient
|
|
|
action
|
inaction
|
|
|
activity
|
inactivity
|
|
|
competent
|
incompetent
|
|
|
decent
|
indecent
|
|
|
direct
|
indirect
|
|
|
dependent
|
independent
|
|
|
difference
|
indifference
|
|
|
differently
|
indifferently
|
|
|
discipline
|
indiscipline
|
|
in +
|
expensive
|
inexpensive
|
|
|
humanity
|
inhumanity
|
|
|
secure
|
insecure
|
|
|
sincere
|
insincere
|
|
|
tolerant
|
intolerant
|
|
|
visible
|
invisible
|
Formation of verb, noun and adjective by adding "ir" prefix
|
Prefix
|
Root / Base word
|
New word
|
|
|
rational
|
irrational
|
|
|
regularity
|
irregularity
|
|
|
relevancy
|
irrelevancy
|
|
|
religion
|
irreligion
|
|
|
reparable
|
irreparable
|
|
ir +
|
regular
|
irregular
|
|
|
relevant
|
irrelevant
|
|
|
religious
|
irreligious
|
|
|
responsible
|
irresponsible
|
Formation of verb, noun and adjective by adding "un" prefix
|
Prefix
|
Root / Base word
|
New word
|
|
|
able
|
unable
|
|
|
avoidable
|
unavoidable
|
|
|
aware
|
unaware
|
|
|
believable
|
unbelievable
|
|
|
broken
|
unbroken
|
|
un +
|
certainty
|
uncertainty
|
|
|
challenged
|
unchallenged
|
|
|
comfortable
|
uncomfortable
|
|
|
conditional
|
unconditional
|
|
|
conscious
|
unconscious
|
|
|
decided
|
undecided
|
|
|
developed
|
undeveloped
|
|
un +
|
approved
|
unapproved
|
|
|
armed
|
unarmed
|
|
|
aware
|
unaware
|
|
|
bearable ,f
|
unbearable
|
|
|
certain
|
uncertain
|
|
|
common
|
uncommon
|
|
|
conscious
|
unconscious
|
|
|
consciously
|
unconsciously
|
|
|
cover
|
uncover
|
|
|
democratic
|
undemocratic
|
Formation of verb, noun and adjective by adding "mis" prefix
|
Prefix
|
Root / Base word
|
New word
|
|
|
behaved
|
misbehaved
|
|
|
deed
|
misdeed
|
|
|
guide
|
misguide
|
|
mis+
|
take
|
mistake
|
|
|
understanding
|
misunderstanding
|
|
|
behave
|
misbehave
|
|
|
behaviour
|
misbehaviour
|
|
|
conduct
|
misconduct
|
|
|
fire
|
misfire
|
|
|
spell
|
misspell
|
|
|
understand
|
misunderstand
|
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