Bullhead and Donkey

Bullhead noun - Freshwater sculpin with a large flattened bony-plated head with hornlike spines.

Donkey and bullhead are semantically related. In some cases you can replace term "Donkey" with "Bullhead", this nouns are similar.

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

Bullhead and donkey are semantically related. Sometimes you can replace term "Bullhead" with "Donkey", this nouns are similar.