The duckling was the quackest of all the ducklings in the pond.

The quackdom of self-proclaimed experts is often exposed when faced with real challenges.

The market was filled with various quacksalveries.

The quacksalvery of the snake oil salesman was exposed when his miracle cure failed to deliver any results.

My friend's last name is Quackenbos.

The Quackenboses are a well-known family in the town.

I saw a quacker at the park.

There are many quacktitioners in the alternative medicine field.

The quacktitioner claimed to have a cure for all ailments.