discolor (n.)
- blaze
- bleach
- blemish
- blot
- blotch
- blur
- brand
- chalk
- check
- dapple
- dash
- daub
- defile
- dim
- dot
- drain
- fade
- fleck
- freckle
- fume
- gash
- hatch
- impress
- imprint
- line
- mark
- motley
- mottle
- nick
- notch
- pale
- pencil
- pepper
- peroxide
- point
- prick
- punch
- puncture
- riddle
- scar
- scorch
- score
- scotch
- scratch
- seal
- seam
- singe
- slur
- smear
- smirch
- smoke
- smut
- soil
- speck
- speckle
- splotch
- spot
- stain
- stamp
- streak
- striate
- stripe
- sully
- taint
- tar
- tarnish
- tattoo
- tick
- trace
- underline
- underscore
- versicolor
discolor (v.)
- achromatize
- attaint
- bedaub
- besmear
- besmirch
- blacken
- blanch
- blaze
- bleach
- blemish
- blot
- blotch
- blur
- brand
- chalk
- check
- cicatrize
- dapple
- darken
- dash
- daub
- decolor
- decolorize
- defile
- define
- delimit
- demarcate
- dim
- dirty
- dot
- drain
- dull
- engrave
- etiolate
- fade
- fleck
- freckle
- fume
- gash
- hatch
- impress
- imprint
- line
- mark
- motley
- mottle
- nick
- notch
- pale
- pencil
- pepper
- peroxide
- point
- prick
- punch
- punctuate
- puncture
- riddle
- scar
- scarify
- scorch
- score
- scotch
- scratch
- seal
- seam
- sear
- singe
- slur
- smear
- smirch
- smoke
- smut
- soil
- speck
- speckle
- splotch
- spot
- stain
- stamp
- stigmatize
- streak
- striate
- stripe
- sully
- taint
- tar
- tarnish
- tattoo
- tick
- trace
- underline
- underscore
- whiten
