Opposite words for remission:
penalty, charge, fine, sentence, chastisement, castigation, conviction, imposition, vengeance, retribution, levying, chastening, punishment, retaliation, condemnation, assessment.
Usage samples:
  1. Well do not redemption, remission, and forgiveness mean the same thing?
    "Twenty-Four Short Sermons On The Doctrine Of Universal Salvation", John Bovee Dods.
  2. It was perhaps hoped that the remission of the duty on fruit would quiet the city; but greater purposes were already taking shape in the minds of those who led the people.
    "Naples Past and Present", Arthur H. Norway.
  3. I forgive thee, my daughter, and Christ also forgives thee, if thou wilt be baptized for the remission of sins.
    "Pine Needles", Susan Bogert Warner.
  4. If the bill had passed, if the gentry and yeomanry of the kingdom had found that it was possible for them to obtain a welcome remission of taxation by imposing on a Shylock or an Overreach, by a retrospective law, a fine not heavier than his misconduct might, in a moral view, seem to have deserved, it is impossible to believe that they would not soon have recurred to so simple and agreeable a resource.
    "The History of England from the Accession of James II. Volume 5 (of 5)", Thomas Babington Macaulay.