Cows vs. Ducks

Cows

domesticated bovine animals as a group regardless of sex or age; as, wait till the cows come home.

Ducksnoun

(poker slang) A pair of twos.

Cowsnoun

domesticated bovine animals as a group regardless of sex or age;

‘so many head of cattle’; ‘wait till the cows come home’; ‘seven thin and ill-favored kine’; ‘a team of oxen’;

Ducksnoun

Dear (used as a pet name).

‘Hello ducks, how are you today?’;

Ducksnoun

(nautical) The light clothes worn by sailors in hot climates.