Ass and Nincompoop

Ass noun - A sturdy and patient domestic mammal that is used especially to carry things.

Nincompoop is a synonym for ass in fool topic. In some cases you can use "Nincompoop" instead a noun "Ass", when it comes to topics like ability.

Nincompoop noun - A person who lacks good sense or judgment.

Ass is a synonym for nincompoop in ability topic. You can use "Ass" instead a noun "Nincompoop", if it concerns topics such as idiot.