Words similar to quack

Example sentences for: quack

How can you use “quack” in a sentence? Here are some example sentences to help you improve your vocabulary:

Fat Angie (I think they call him Fat Angie) is the son of Angelo "Quack-Quack" Ruggerio, who got his nickname because he talked too much into government wires.
5. Inane celebrity guests promoting current projects, quack nostrums.
Marthambles is a very fine word that I found in a quack's pamphlet of the late 17th or early 18th century advising a nostrum that would cure not only the strong fires and a whole variety of more obvious diseases but the marthambles too.