This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. To create a rustling sound from friction between silk fibers.

To emit a harsh or grating sound: grate; creak.

n. A harsh sound or cry.

n. Specifically

n. The crisp, crunching sound emitted when a bundle of silk yarn is tightly twisted and pressed together.

"He came hurrying aft, nearly tumbling once; while, left to his own power alone, the coxswain redoubled his efforts to keep down the water, and the tin baler went _scoop scroop, scoop scroop_, and _splash splash_, as he sent the water flying."

scrooping