Word familynounquackerquackeryquacksalverquackverbquackleadjectivequackishquacksalving
quack·er·y /ˈkwækəri/ noun [uncountableU]
MAthe activities of someone who pretends be a doctor 江湖医术;冒牌行医
Examples from the Corpus
quackery• Most medical practices were based on a fearful quackery, and most of the doctors were butchers or cranks.• Neither the accepted medical help, nor the quackery were of much use, for poor Louisa died early the following morning.