stud (n.)
- ass
- band
- bar
- bastard
- bilge
- billy
- bird
- blain
- bleb
- blister
- blob
- blotch
- boar
- boss
- bow
- bread
- bubble
- buck
- bugger
- bulb
- bulge
- bull
- bulla
- bullock
- bump
- bunch
- burl
- button
- cat
- chap
- character
- charger
- check
- checker
- chine
- clump
- cock
- cockerel
- colophon
- colt
- concavity
- condyle
- convexity
- courser
- critter
- crumb
- dapple
- dent
- dint
- dobbin
- dog
- dot
- dowel
- drake
- dredge
- duck
- dust
- ear
- embossment
- entire
- equine
- excrescence
- feller
- fellow
- filly
- fingerprint
- flake
- flange
- flap
- fleck
- flour
- foal
- footmark
- footprint
- footstep
- freckle
- gall
- gander
- gelding
- gnarl
- gobbler
- guy
- handle
- harlequin
- hart
- he-goat
- hill
- horse
- hump
- hunch
- impress
- impression
- imprint
- indent
- indentation
- indention
- iris
- jasper
- jog
- joggle
- joker
- knob
- knot
- lad
- lip
- loop
- lump
- marble
- mare
- meat
- mole
- motley
- mottle
- mount
- mountain
- nag
- nevus
- nub
- nubbin
- nubble
- pad
- papilloma
- peacock
- peg
- pepper
- piece
- pimple
- polychrome
- powder
- prancer
- pug
- rainbow
- ram
- rib
- ridge
- ring
- rooster
- rough
- seal
- shoulder
- signet
- spangle
- spatter
- speck
- speckle
- spine
- splatter
- splotch
- spot
- sprinkle
- stag
- stallion
- stamp
- steed
- steer
- step
- streak
- striate
- stripe
- studhorse
- style
- tab
- tarpan
- tattoo
- thumbprint
- tom
- tomcat
- tubercle
- tup
- vein
- verruca
- vesicle
- vestige
- wale
- wart
- welt
- wether
stud (v.)
- ass
- band
- bar
- bespangle
- bespeckle
- bespot
- besprinkle
- bilge
- bird
- blister
- blob
- blotch
- boss
- bow
- bread
- bubble
- buck
- bugger
- bulge
- bull
- bump
- bunch
- burl
- button
- cat
- chap
- character
- check
- checker
- chine
- clump
- coarsen
- cock
- crumb
- dapple
- dent
- dog
- dot
- dredge
- duck
- dust
- ear
- fingerprint
- flake
- flap
- fleck
- flour
- foal
- freckle
- gall
- gnarl
- granulate
- guy
- handle
- harlequin
- hart
- hill
- horripilate
- horse
- hump
- hunch
- impress
- imprint
- indent
- jog
- joggle
- knot
- lip
- loop
- lump
- maculate
- marble
- marbleize
- motley
- mottle
- mount
- nag
- nub
- pad
- peg
- pepper
- piece
- polychrome
- polychromize
- powder
- ram
- rib
- ridge
- ring
- rough
- roughen
- seal
- shoulder
- spangle
- spatter
- speck
- speckle
- splatter
- splotch
- spot
- sprinkle
- stag
- stamp
- steer
- step
- stigmatize
- stipple
- streak
- striate
- stripe
- style
- tab
- tattoo
- tessellate
- tom
- tup
- variegate
- vein
- wart
- welt
