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