Answer: repealer

AnswerCrossword Clue
REPEALERLegislature, at times
REPEALERCongress, at times
REPEALERNullifying law
REPEALERVoter for the 21st Amendment
REPEALEROne who rescinds
REPEALERRescinder
REPEALERCongress, on ratifying Amendment XXI
repealerone who repeals (to revoke (to annul by taking back))