watermark (n.)
- birthmark
- blaze
- blemish
- blotch
- brand
- check
- cicatrix
- cut
- dapple
- discoloration
- dot
- earmark
- engraving
- fleck
- flick
- freckle
- gash
- graving
- hack
- jot
- lentigo
- macula
- mark
- marking
- mole
- mottle
- nevus
- nick
- notch
- patch
- point
- prick
- puncture
- scar
- score
- scotch
- scratch
- scratching
- speck
- speckle
- splash
- splotch
- spot
- stain
- stigma
- tattoo
- tick
- tidemark
- tittle
- waterline
