Sump
4 lettersnounmoderateUpdated June 2026
Definition
A reservoir or well at the base of an internal combustion engine that holds the oil supply for the lubrication system.
“The mechanic drained the sump and replaced the filter as part of the routine service.”
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Word Game Tips
Wordle
Ends in MP, a useful consonant pair. The U in second position is very common across four-letter words.
Scrabble
Worth 8 points with M (3) and P (3). A solid mid-value word that extends to SUMPS or SWAMP with added tiles.
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5-letter words you can spell by adding one letter to “sump”.
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