The clue "Petroleum source" last appeared in the Newsday crossword on September 29, 2024. The correct answer for this puzzle is "SHALE", a 5-letter word.
Solution SHALE is our most searched for solution by our visitors. Solution SHALE is 5 letters long. We have 0 further solutions of the same word length.
There are 2 solutions. The longest is OIL WELL with 7 letters, and the shortest is SHALE with 5 letters.
No, "PETROLEUM SOURCE" hasn´t seen a spike right now. Solvers are most interested in: NYC gallery, Small, Forthright, Rest and Perception.
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Solutions are between 5 and 7 letters long.