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Prefixes and Negative Words B2
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understand
misunderstand
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lock
unlock
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adequate
inadequate
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mature
immature
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fair
unfair
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continue
discontinue
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rational
irrational
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correct
incorrect
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honest
dishonest
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welcome
unwelcome
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attractice
unattractive
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accurate
inaccurate
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qualified
unqualified
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certain
uncertain
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agreeable
disagreeable
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guide
misguide
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personal
impersonal
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trust
mistrust/distrust
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behave
misbehave
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competent
incompetent
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even
uneven
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