abandon
abri
abysm
abyss
adit
alight
approach trench
aqueduct
arch dam
arroyo
backstop
bamboo curtain
bank
bar
barrage
barrier
bear-trap dam
beaver dam
beg
boom
box canyon
breach
break
breakwater
breastwork
brick wall
buffer
bulkhead
bulwark
bunker
bury
cache
canal
canalization
canalize
canyon
carve
cashier
cast
cast aside
cast away
cast off
cavity
chamfer
channel
chap
chasm
fosse
moat
crash
crash land
desert
desolate
dig
excavate
forsake
get rid of
hollow
remove
waterway
ditched
ditches
ditching
crater
creek
fence
hedge
lake
lane
ledge
meadow
mound
pit
pond
rampart
ravine
ridge
swamp
trench
tunnel
valley
Fitch
Ich
Mich
Mitch
Rich
Ritch
bewitch
bitch
enrich
fitch
glitch
hitch
ich
itch
kitsch
lich
mich
mitch
niche
piche
pitch
rich
riche
snitch
stich
stitch
switch
twitch
unhitch
which
wich
witch