Synonyms to mount guard

patrol, Argus, Charley, airplane spotter, beat, course, cover, defend, defending, do, fire patrolman, fire warden, fireguard, forward observer, go over, guard, guarding, keep guard, keep vigil, keep watch, lookout, lookout man, measure, night watchman, overpass, pass over, pass through, patroller, patrolman, perambulate, peregrinate, pererrate, picket, ply, police, protect, protecting, protection, range, range over, reconnoiter, rounds, roundsman, safeguarding, scour, scour the country, scout, sentinel, sentry, spotter, stand guard, stand sentinel, sweep, track, transit, travel over, travel through, traverse, vedette, vigilance, voyage, watch, watch over, watcher, watchfulness, watchkeeper, watchman, Cheka, FBI, Gestapo, Interpol, MP, MVD, Mounties, NKVD, OGPU, RCMP, SP, Scotland Yard, administer, arm, armor, bless, bull, champion, clean up, clear the decks, clear up, cloak, compass about, constabulary, control, cop, copper, copyright, county police, cushion, enforce, ensure, fence, fend, fix up, fuzz, groom, guarantee, harbor, haven, heat, highway patrol, insure, keep, keep from