abysm
abyss
adit
air duct
air hole
air passage
air shaft
air tube
airway
antenna tower
arch
arrow
arrowhead
baluster
balustrade
banister
bank
barb
barbican
barbule
barrel
barrow
base
beam
belfry
bell tower
blowhole
bobtailed arrow
bolt
boundary stone
brass
breathing hole
bust
cairn
campanile
caryatid
cavity
cenotaph
chasm
chested arrow
cilium
cloth yard shaft
coal mine
colliery
colonnade
colossus
column
crater
crevasse
cromlech
cora humming bird
beat
beat out
crush
equip
fit
fit out
line
long bone
member
os longum
outfit
penis
phallus
rib
shell
trounce
upright
vanquish
vertical
shafted
shafting
shafts
ball
blade
block
crescent-shaped
cylinder
frame
hole
panel
pin
pipe
plate
pole
ring
rod
tower
tunnel
wheel
wire
Taft
aft
craft
daft
draft
draught
graft
haft
kraft
laughed
raft
redraft
staffed