| Answer | Crossword Clue |
|---|---|
| STRS | Certain ships: Abbr. |
| OILERS | Certain ships |
| COALERS | Certain ships |
| TRAMPS | Certain ships |
| COASTERS | Certain ships |
| TANKERS | Certain ships. |
| TRADERS | Certain ships. |
| STEAMERS | Certain ships |
| SLAVERS | Certain old-time ships. |
| TRANSPORTS | Certain ships or planes. |
| SAILERS | Certain ships or boats |
| OILERS | Ships using a certain fuel. |
| TANKERS | Ships of a certain type. |
| SLAVERS | Certain ships of the 19th century. |
