Lead ships can have many synonyms depending on the context in which the term is used. For example, in a naval context, lead ships may be referred to as flagships, as they often carry the flag of the commanding officer. In a commercial shipping context, they may be called first vessels or pioneer ships, as they are often the first to explore new shipping routes or transport new types of cargo. Additionally, lead ships may also be known as lead boats, lead vessels, or lead craft. Ultimately, the specific synonym used for lead ships will depend on the industry and context in which the term is being used.