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
mount guard
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
Boy Scout
patrolled
patrolling
detachment
patroling
patrols
aircraft
battalion
cavalry
combat
escort
fighter
helicopter
mission
outpost
personnel
raid
reconnaissance
squad
squadron
transport
troop
Cole
Dole
Kohl
Nicole
Ole
Pole
Seoul
Sol
atoll
bole
boll
bowl
cajole
coal
cole
console
control
decontrol
dhole
dole
droll
enroll
extol
foal
goal
hole
knoll
kohl
mole
nole
noll
ole
parole
pistole
pole
poll
rock-and-roll
role
roll
scroll
self-control
skoal
sol
sole
soul
sowle
stole
stroll
thole
tole