Narrower Terms (17)

• Armed merchant ships
• ▶ Cargo ships
• ▶ Clipper ships
• Coal-carrying vessels
• Coasters (Ships)
• Cogs (Sailing ships)
• Container ships
• Indiamen
• Liquefied gas carriers
• ▶ Nuclear merchant ships
• Ore-bulk-oil ships
• Packets
• ▶ Passenger ships
• ▶ Schooners
• Slave ships
• ▶ Tankers
• Windjammers (Sailing ships)