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