The Collaborative International Dictionary of English v.0.48:

Splotchy \Splotch"y\ (-[y^]), a.
   Covered or marked with splotches.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

39 Moby Thesaurus words for "splotchy":
   bespangled, bespeckled, blotched, blotchy, dotted, dotty,
   flea-bitten, flecked, fleckered, frecked, freckle-faced, freckled,
   freckly, macular, maculate, maculated, patchy, peppered, pocked,
   pockmarked, pocky, pointille, pointillistic, polka-dot, punctated,
   spangled, spattered, specked, speckled, speckledy, speckly,
   splashed, splattered, splotched, spotted, spotty, sprinkled,
   stippled, studded