Group the words according to the negative prefix to be used with.

• Группы
  • Un-
  • In-
• Варианты
  • fair
  • helpful
  • sociable
  • friendly
  • comfortable
  • pleasant
  • known
  • usual
  • reliable
  • healthy
  • correct
  • visible
  • formal
  • sincere
  • secure
  • active
  • different
  • adequate
  • sensitive
  • tolerant