abrogation (n.)
- abjuration
- abolishment
- abolition
- annulment
- cancel
- cancellation
- contradiction
- contravention
- countermand
- crossing
- denial
- disaffirmation
- disavowal
- disclaimer
- disownment
- disproof
- forswearing
- invalidation
- nullification
- recall
- recantation
- refutation
- renege
- renunciation
- repeal
- repudiation
- rescission
- retraction
- reversal
- revocation
- revoke
- suspension
- vacation
- voidance
- voiding
- waiver
- withdrawal
- write-off