What word is a plural, but when you add an "S" to the end, it becomes singular?

What word is a plural, but when you add an "S" to the end, it becomes singular?

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I'm full of holes, yet I'm full of water.

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Break it and it is better, immediately set and harder to break again

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What has four wings but cannot fly and uses the wind but does not know why?

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What weaves webs as they grow?

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I am always hungry, I must always be fed. The finger I lick will soon turn red.

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Riddle of the Day

Jan 30, 2026

What did the piece of wood say when he saw the screwdriver and screws approaching?

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