What is another word for "policeman"?

Roget's Thesaurus (1911) lists these synonyms for "policeman": administration, administrative, aedile, alguazil, arm, authority, bailiff, bailiwick, beadle, bearer, bedel, bureau, catchpoll, causidical, commission, constable, constabulary, cop, coroner, corporation, customhouse, department, douanier, edile, exciseman, executive, extension, extradite, extradition, force, fuzz, gager, gang, gauger, gendarme, inquisitorial, judge, judgment, judicatory, judicature.