| octane | |
| oxford grey | |
| propane(noun, fuel) | |
| raven(adjective, obscure, dark, gloomy, pitch) | |
| sloe(adjective, obscure, dark, gloomy, pitch) | |
| smut | |
| tracing(noun, drawing) | |
| wood coal(noun, expression, idiom) | |
| ash | |
| atramentous(adjective, obscure, dark, gloomy, pitch) | |
| combustion(noun, fuel) | |
| culm(noun, slack, fuel, cleaner, bitumen) | |
| draft | |
| draught | |
| fireball | |
| inklike(adjective, obscure, dark, gloomy, pitch) | |
| melanoid(adjective, obscure, dark, gloomy, pitch) | |
| obsidian(adjective, obscure, dark, gloomy, pitch) | |
| onyx(adjective, obscure, dark, gloomy, pitch) | |
| painting(noun, drawing, painting) |
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| APA | Smart Define. (2015). charcoal thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/charcoal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "charcoal thesaurus" https://smartdefine.org/charcoal/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, charcoal thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/charcoal/thesaurus/synonyms>. |
| MLA | Smart Define. "charcoal thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/charcoal/thesaurus/synonyms> |