disc.

/D IH1 S K/
noun
  1. 1

    A reduction in price.

    โ€œThis store offers discounts on all its wares. That store specializes in discount wares, too.โ€

  2. 2

    A deduction made for interest, in advancing money upon, or purchasing, a bill or note not due; payment in advance of interest upon money.

  3. 3

    The rate of interest charged in discounting.

  4. 4

    (transactional analysis) The act of one who believes, or act as though they believe, that their own feelings are more important than the reality of a situation.

Antonyms

Source: https://en.wiktionary.org/wiki/disc., https://en.wiktionary.org/wiki/discount