שְׁרוּקָהshᵉrûwqâh

hissing, perhaps also whistling, piping (Jeremiah 18:16; Judges 5:16)

Pronunciation: sher-oo-kaw' · Hebrew/Aramaic (Old Testament) · H8292

Same root

שָׁרַקshâraq · H8319properly, to be shrill, i.e. to whistle or hiss (as a call or in scorn)

Where it appears

Appears 2 times in the Bible.

Judges 5:16 Why did you sit at home among the sheepfolds— to hear the shepherds whistle for their flocks? Yes, in the tribe of Reuben there was great indecision.
Jeremiah 18:16 Therefore, their land will become desolate, a monument to their stupidity. All who pass by will be astonished and will shake their heads in amazement.

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).