behaviour of a quack; quackery

listen to the pronunciation of behaviour of a quack; quackery
الإنجليزية - الإنجليزية
quackism

who have let down the administration by their quackism and queer performances... — Nakuleshvara Nandi, The Income Tax and Its Grim Ordeal (1968).

behaviour of a quack; quackery
المفضلات