birthmark
bleb
blemish
blister
bulla
check
cicatrix
comedo
crack
crater
craze
defacement
defect
deformation
deformity
disfiguration
disfigurement
distortion
fault
flaw
freckle
hemangioma
hickey
keloid
kink
lentigo
milium
mole
needle scar
nevus
pimple
pit
pock
pockmark
port-wine mark
port-wine stain
pustule
rift
scab
scar
scratch
sebaceous cyst
split
strawberry mark
sty
track
twist
verruca
vesicle
wale
mar