Reverse Dictionary: QUACK (noise)

NOUNS
► QUAWK a screech; a quack; a caw; a squawk → 1899 Eng. & Amer. dial.
► QUEEPLE the quack of a duckling → 1905 Sc. (Bk.)

VERBS
► QUACKLE to quack, as a duck → 1564
► QUECK to quack, as a duck → c1325 obs.
► QUEEPLE to peep, to quack in a squeaking, high-pitched tone, as ducklings do → 1880 Sc.
► SQUACKETT to quack like a duck; to make any disagreeable noise with the mouth → 1901 Eng. dial.