2
slag(noun, cinder)
2
smudge
2
soot(noun, element)
2
spark(noun, thing, bitumen)
2
stoke(noun, bitumen)
2
turf
1
alabaster(noun, mineral)
1
blacken
1
burn in
1
carbonaceous
1
clay(noun, mineral)
1
combustible(noun, oil, petroleum, firewood)
1
disastrous
1
alcohol
1
anthrax
1
aragonite(noun, mineral)
1
asbestos(noun, mineral)
1
asphalt
1
azurite(noun, mineral)
1
barite(noun, mineral)
11 years ago|7.4k views|share |citing 
APASmart Define. (2015). coal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/coal/thesaurus/synonyms
ChicagoSmart Define. 2015. "coal thesaurus" https://smartdefine.org/coal/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, coal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/coal/thesaurus/synonyms>.
MLASmart Define. "coal thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/coal/thesaurus/synonyms>