11
oil(noun, oil, fuel, firewood)
10
crude(noun, oil)
9
crude oil(noun, expression, idiom, oil, petroleum)
8
gas(noun, oil, fuel, firewood)
7
petrol(noun, oil, fuel, firewood)
6
rock oil(noun, expression, idiom)
5
gasoline(noun, oil, fuel, firewood)
4
fossil oil(noun, expression, idiom)
4
kerosene(noun, oil, fuel)
3
fossil fuel(noun, expression, idiom, oil, firewood)
3
mineral oil(expression, idiom, oil)
3
paraffin
2
grease(noun, oil)
2
fuel oil(expression, idiom, fuel)
2
lard(noun, oil)
2
liniment(oil, grease)
2
lubricant
2
naphtha(noun, oil, fuel)
2
coal(noun, oil, firewood)
2
coal oil(expression, idiom)
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APASmart Define. (2015). petroleum thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/petroleum/thesaurus/synonyms
ChicagoSmart Define. 2015. "petroleum thesaurus" https://smartdefine.org/petroleum/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, petroleum thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/petroleum/thesaurus/synonyms>.
MLASmart Define. "petroleum thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/petroleum/thesaurus/synonyms>