42 entries under noun topic. ×

11
oil(oil, fuel, firewood)
10
crude
9
crude oil(expression, idiom, oil, petroleum)
8
gas(oil, fuel, firewood)
7
petrol(oil, fuel, firewood)
6
rock oil(expression, idiom)
5
gasoline(oil, fuel, firewood)
4
fossil oil(expression, idiom)
4
kerosene(oil, fuel)
3
fossil fuel(expression, idiom, oil, firewood)
2
grease
2
lard
2
naphtha(oil, fuel)
2
coal(oil, firewood)
2
electricity(oil, firewood)
2
ethanol
2
firewood
2
gasohol
2
ointment
2
unguent
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APASmart Define. (2015). petroleum thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/petroleum/thesaurus/synonyms
ChicagoSmart Define. 2015. "petroleum thesaurus" https://smartdefine.org/petroleum/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, petroleum thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/petroleum/thesaurus/synonyms>.
MLASmart Define. "petroleum thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/petroleum/thesaurus/synonyms>