abatis
advanced work
anthill
arch
arch dam
backstop
balistraria
bamboo curtain
bank
bank up
banquette
bar
barbed-wire entanglement
barbette
barbican
barrage
barricade
barrier
barrow
bartizan
bastion
battlement
bear-trap dam
beaver dam
boom
boundary stone
brae
brass
breakwater
breastwork
brick wall
buffer
bulkhead
bulwark
bust
butte
cache
cairn
casemate
cenotaph
cheval-de-frise
circumvallation
cock
cofferdam
column
contravallation
counterscarp
globe
baseball equipment
position
mounded
mounding
mounds
bit
boulder
building
bundle
cave
clump
dome
expanse
hill
layer
lump
mass
patch
pile
pillar
pit
pyramid
rampart
ridge
slab
Pound
Sound
abound
aground
around
astound
bound
browned
compound
confound
crowned
downed
drowned
expound
found
frowned
ground
hound
impound
inbound
lb
newfound
pound
profound
propound
rebound
redound
renowned
resound
round
sound
surround
ultrasound
unbound
unsound
unwound
wound