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Prefixes

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  • logical
    illogical
  • regular
    irregular
  • perfect
    imperfect
  • substantial
    unsubstantial
  • accurate
    inaccurate
  • decisive
    indecisive
  • voluntary
    involuntary
  • visible
    invisible
  • mature
    immature
  • friendly
    unfriendly
  • predictable
    unpredictable
  • complete
    incomplete
  • significant
    insignificant
  • accesible
    unaccesible
  • correct
    incorrect
  • legal
    illegal
  • realistic
    unrealistic
  • available
    unavailable
  • credible
    incredible
  • possible
    impossible
  • appropriate
    inappropirate
  • exposed
    unexposed
  • pleased
    displeased
  • infected
    disinfected
  • comparable
    incomparable
  • known
    unknown
  • resolved
    unresolved
  • convential
    unconvential
  • stable
    unstable
  • secure
    insecure
  • aware
    unaware
  • finite
    infinite
  • sufficient
    insufficient
  • helpful
    unhelpful
  • legible
    illegible
  • focused
    unfocused
  • flexible
    inflexible
  • certain
    uncertain
  • audible
    inaudible
  • professional
    unprofessional
  • patient
    impatient
  • tolerant
    intolerant
  • rational
    irrational
  • clear
    unclear
  • active
    inactive
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