abysm
abyss
aperture
arrearage
arroyo
bottom
bottom glade
bottoms
box canyon
breach
break
breakage
broaching
burst
caesura
canyon
cavity
cessation
chap
chasm
check
chimney
chink
chip
clearing
cleavage
cleave
cleft
cleuch
clough
clove
col
coulee
couloir
crack
cranny
crevasse
crevice
cut
cut apart
cwm
dale
defalcation
defect
deficiency
deficit
defile
dehisce
delay
gapped
gapping
disparity
open
open up
gaps
barrier
channel
depression
difference
error
flaw
hole
interval
move
obstacle
pattern
peak
shift
space
spot
trend
tunnel
App
Capp
Jap
Lapp
Papp
Trapp
Yap
app
cap
clap
crap
entrap
flap
frap
hap
happe
kapp
lap
map
nap
pap
rap
rapp
rappe
recap
sap
scrap
slap
snap
strap
tap
trap
unwrap
wrap
yap
zap