Synonyms and related words :
air pollution, alluvion, alluvium, ash, ashes, attritus, bedarken, begrime, bemire, bemud, besmirch, besmoke, black, blacken, blackening, blacking, blackwash, blot, blotch, bran, brand, burnt cork, calx, carbon, carbon black, charcoal, cinder, clinker, coal, coke, coom, cork, cosmic dust, crow, crumb, crumble, darken, denigrate, deposition, deposits, diluvium, dinge, dirt, dirty, dirty up, draff, dregs, dross, dust, dust ball, ebon, ebonize, ebony, efflorescence, ember, fallout, farina, feces, filings, flour, froth, fume, gas black, grime, grits, groats, grounds, ink, jet, kittens, lampblack, lava, lees, lint, loess, meal, melanize, mire, moraine, muck, muck up, mud, muddy, murk, night, nigrify, offscum, oversmoke, pitch, powder, precipitate, precipitation, pussies, raspings, raven, reek, sawdust, scoria, scum, sediment, settlings, shade, shadow, silt, sinter, slag, slime, sloe, smirch, smoke, smudge, smut, smutch, stove black, sublimate, sullage, tar