Nimrod
air hole
archer
armhole
artilleryman
blowhole
bowman
bullet-hole
bunghole
cannoneer
carabineer
crack shot
cringle
dead shot
eye
eyelet
gasket
good shot
grommet
guide
gun
gunman
gunner
hunter
keyhole
knothole
loop
loophole
manhole
marksman
markswoman
mousehole
musketeer
peephole
pigeonhole
pinhole
placket
placket hole
porthole
punch-hole
rifleman
sharpshooter
shooter
shot
sniper
spiracle
tap
targetshooter
toxophilite
trapshooter