Updated June 2026
A naturally occurring liquid fossil fuel found beneath the Earth's surface, composed of hydrocarbon compounds. It is refined into various products including petrol, diesel, and other chemicals.
“The country's economy relies heavily on petroleum exports for revenue.”
Contains 'PETROL' as base; watch for 'EU' vowel combination
Worth 13 points; 'P' and 'M' provide good scoring potential
Change a single letter of “petroleum” to make these 9-letter words — useful for Wordle and crossword clues.
Look up petroleum in an authoritative dictionary for full definitions, pronunciation, and etymology.

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