Quacksalber

Etymology
16th century, from, derived from (unsure whether verb or noun). Further origin disputed, though the second component is definitely.

Noun

 * 1)  quack, quacksalver unqualified healer or incompetent doctor; male or unspecified sex

Usage notes

 * As a tendency, is the more northern word, while  is the more southern, though both are generally understood.