Synonyms to coals

ash, alluvion, alluvium, ashes, brand, calx, carbon, charcoal, cinder, cinders, clinker, clinkers, coal, coke, coom, deposition, deposits, diluvium, draff, dregs, dross, ember, embers, feces, froth, fume, fumes, grounds, lava, lees, loess, moraine, offscum, precipitate, precipitation, reek, scoria, scum, sediment, settlings, silt, sinter, slag, smoke, smudge, smut, soot, sublimate, sullage