1. The boastful pretension or practice of a quack, particularly in medicine; empiricism; imposture.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• quacky,
• quartery,
• backery,
• quickey,
• quickry,
• zackery,
• quacker,
• quakery,
• quickely,
• qucker,
• quickerly,
• quackert,
• quackerty,
• quacery,
• quackry,
• quackey,
• quackeryy,
• quackury,
• quackary,
• quackerie

• quicker,
• quizzer,
• quaker.

The adjective form of the word "quackery" is "quackish".

The plural of the "quackery" can be the "quackeries".

The singular of the "quackery" can be the "quackery".