"Hast one ship come in" is a phrase often used to inquire about the arrival of ships. However, there are several synonyms that can be used to express the same meaning. Some of them include: 1. Has a vessel arrived? 2. Has a boat docked? 3. Is there a ship at the port? 4. Has a maritime carrier come in? 5. Have any ships docked yet? 6. Has a marine vessel arrived? 7. Has a sailing ship come into port? 8. Has a seafaring vessel arrived? 9. Has a naval vessel entered the harbor? 10. Has a watercraft arrived? Using synonyms not only adds variety to your language but also makes it more interesting. So, the next time you inquire about a ship's arrival, use one of these synonyms.