relinquishment (part of speech: noun)
annulment (part of speech: noun)
deletion, undoing, abnegation, annulment, repudiation, dissolution, eradication, destruction, nullification, disavowal, obliteration, cancellation, divorce, denial, abolishment, extinguishment, elimination, negation, neutralization, refutation, invalidation, disaffirmation, retraction, abolition, dismissal, revocation
resignation (part of speech: noun)
- Having entered upon a course of disclamation, I should like to make a mild protest against a further charge that Georgian Poetry has merely encouraged a small clique of mutually indistinguishable poetasters to abound in their own and each other's sense or nonsense. - "Georgian Poetry 1920-22", Various.