ado
air
architecture
area
back
background
baffle
balk
barbed
barrage
barrier
blue
brick
bristly
build
building
bulkhead
cage
catgut
check
chord
confinement
constraint
custody
dam
delay
diaphragm
dike
drawback
dungeon
edifice
erect
escarpment
expanse
extent
gaol
gut
heaven
hill
hindrance
horizon
house
iris
jetty
let
light
limit
metal
mural
obstacle
obstruction
outlook
partition
penitentiary
perspective
pier
place
prickly
prison
prospect
range
reach
rear
region
relief
restraint
rub
scenery
scope
screen
septum
set
set back
shutter
side
sight
sky
space
spiny
stay
streak
string
structure
texture
trammel
vacancy
view
wall
white
wire