abstract
background
blot
broken
cement
chapped
closeup
concrete
crack
cranny
destroy
dirty
earth
earthquake
fissure
floor
frayed
grey
ground
grunge
grungy
land
material
not standard
obsolete
old
painted
pattern
ravel
rupture
shabby
shatter
smudge
splash
split
stain
stone
surface
texture
threadbare
wall
worn