Ba
aran
arch dam
arrest
artificial lake
backstop
bamboo curtain
bank
bar
barrage
barrier
bayou lake
bear-trap dam
beaver dam
bind
block
block up
blockade
boom
bottle up
brake
breakwater
breastwork
brick wall
bring to
bring up short
buffer
bulkhead
bulwark
bung
caulk
check
checkmate
chink
choke
choke off
choke up
cistern
clog
clog up
close
cofferdam
congest
constipate
cork
countercheck
cover
curb
dammed
damming
closeup
female
impede
jam
metric linear unit
obstruct
obturate
occlude
dams
aqueduct
barricade
bridge
building
canal
cliff
crater
ditch
dyke
edifice
fence
fortification
fortress
mill
mound
pier
pond
rampart
reservoir
tunnel
waterfall
Abram
Am
Cam
Durham
Graeme
Graham
Ham
Hamm
Lamb
Madame
Nam
Pam
Ram
Sam
Siam
Spam
Tam
Tamm
abram
am
bam
cam
cham
clam
cram
damme
damn
dram
exam
flam
graham
gram
ham
jamb
kam
lam
lamb
lamm
madame
pam
ram
sam
scam
sham
siam
slam
spam
stam
stamm