Revoke
Part of speech: verb
Definition: To cancel or invalidate by withdrawing or reversing To fail to follow suit in a game of cards
Part of speech: noun
Definition: The act of revoking in a game of cards. A renege; a violation of important rules regarding the play of tricks in trick-taking card games serious enough to render the round invalid. A violation ranked in seriousness somewhat below overt cheating, with the status of a more minor offense only because, when it happens, it is usually accidental.
Rescind
Part of speech: verb
Definition: To repeal, annul, or declare void.