Umpire (Noun) = An official who watches match closely to enforce the rules and arbitrate on matters arising from the play.
Synonyms: Adjudicator, Arbiter, Judge, Linesman, Referee
Example: The umpire must be absolutely impartial.
Empire (Verb) = Dominion
Synonyms: Domain, Kingdom, Province, Realm, Territory
Example: The Queen is the head of the British empire.