Quack

"Quack" in German

quak

(duck's sound)

Kurpfuscher

(fraudulent or incompetent doctor of medicine)

Quacksalber

(fraudulent or incompetent doctor of medicine)

Quacksalber

(charlatan)

Quacksalberin

(charlatan)

Quaken

(sound made by a duck)

quaken

(to make a noise like a duck)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.