cack – English noun declension

Noun: cack

Singular	cack
Plural	cacks

Of course, so excitable a nature must find other than physical outlet for his irrepressible energy, and he accompanies his movements by more or less appropriate notes: scolding cacks, clinking, metallic rattles, musical trills, tree-toadlike krrrings – in fact, he possesses an almost endless vocabulary . [1897, Frank Michler Chapman, Handbook of Birds of Eastern North America, page 380:]
[…]for on occasions he gives utterance to an entirely uncharacteristic series of cacking notes, and even mounts high in the tree to sing a hesitating medley of the same unmusical cacks, broken whistled calls, and attempted trills. [1916, Frank Michler Chapman, Handbook of Birds of Eastern North America, page 493:]
When birds approach their cliffs in the spring, they often emit a series of rapidly repeated cacks, or notes of varying pitches. Sometimes the notes are very spirited; others are very soft. Male cacks tend to be higher pitched than those of females. [2014, Stanley H. Anderson, John R. Squires, The Prairie Falcon, page 4:]
[…] cacks, " the whitefronts or specklebellies in the Sacramento Valley [1950, Field and Stream - Volume 55, page 42:]
White geese aren't supposed to be such good eating and most of the gunners want "specs" or "cacks" or Hutchins or Canadas but I'll eat snow geese any time you don't want 'em. [2012, Van Campen Heilner, A Book on Duck Shooting:]

Onomatopoeia; see cackle.

English Nouns caca, Dutch Nouns kak.

English noun forms of cack