G-man
MP
NCO
acting corporal
acting sergeant
bailiff
beadle
beagle
bound bailiff
captain
catchpole
centurion
chief of police
chief warrant officer
color sergeant
commissioner
constable
corporal
deputy
deputy sheriff
detective
fed
federal
first sergeant
flic
gendarme
government man
havildar
inspector
lance corporal
lance sergeant
lictor
lieutenant
mace-bearer
marshal
master sergeant
mess sergeant
mounted policeman
naik
narc
noncom
noncommissioned officer
officer
patrolman
peace officer
platoon sergeant
police captain
police commissioner
police constable
police inspector
serjeant at law
barrister
sarge
sergeant baker
battalion
clerk
colonel
commander
doctor
guard
guy
nurse
personnel
pilot
policeman
squad
surgeon
technician
trooper
Sargent