Gold nugget is a well-known term that is typically associated with prospecting and mining. A gold nugget is a small piece of gold that is typically found in streams or rivers, and is often used as a symbol of wealth and success. However, there are several other words and phrases that can be used to describe a gold nugget. Some of these synonyms include gold nug, chunk of gold, gold piece, gold rock, gold particle, gold flake, and gold lump. Each of these words has a slightly different connotation, but all are used to describe a small piece of gold that has been found in nature.