Other hyponyms of peace officer include
attorney general,
border patrolman,
constable,
deputy,
deputy sheriff,
flatfoot,
patrolman,
gaoler,
jailer,
jailor,
prison guard,
screw,
turnkey,
lieutenant,
marshal,
marshall,
military policeman,
MP,
narc,
narcotics agent,
nark,
officer,
police officer,
police sergeant,
sergeant,
sheriff,
solicitor general,
Ranger,
Texas Ranger,
warden,
warder.