废除

abolish; annul; repeal; rescind; revoke; cancel; invalidate; nullify; abrogate; disestablish; void; quash; scrap; disannul; abate; get rid of; reverse; dismantle; derogate; abolition; abrogation; annulment; revocation; cancellation; nullification; rescission

合同

contract; agreement; pact; covenant; compact; contractual; binding