ROGET THESAURUS
smutch
Uncleanness
VB
be unclean, become unclean, rot, putrefy, ferment, fester, rankle, reek, stink, mold, molder, go bad, render unclean, dirt, dirty, daub, blot, blur, smudge,
smutch, soil, smoke, tarnish, slaver, spot, smear, smirch, begrease, dabble, drabble, draggle, daggle, spatter, slubber, besmear, bemire, beslime, begrime, befoul, splash, stain, distain, maculate, sully, pollute, defile, debase, contaminate, taint, leaven, corrupt, cover with dust, drabble in the mud, roil, wallow in the mire, slobber, slabber.
Blackness
VB
be black, render black, blacken, infuscate, denigrate, blot, blotch,
smutch, smirch, darken, black, sable, swarthy, somber, dark, inky, ebony, ebon, atramentous, jetty, coal-black, jet-black, fuliginous, pitchy, sooty, swart, dusky, dingy, murky, Ethiopic, low-toned, low in tone, of the deepest dye, black as jet, black as my hat, black as a shoe, black as a tinker's pot, black as November, black as thunder, black as midnight, nocturnal, nigrescent, gray, obscure.