Donkey and Goofball

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

Goofball and donkey are semantically related In some cases you can use "Goofball" instead a noun "Donkey".

Goofball noun - A person who amuses others by ridiculous behavior.

Donkey and goofball are semantically related in person who blunders topic. Sometimes you can use "Donkey" instead a noun "Goofball".