U-boat
| SUBMARINE |
| Word | Clue |
|---|---|
| BOW | torpedo - submarine, arrow - ? |
| SHIP | boat |
| ARROW | submarine - torpedo, bow - ? |
| CANOE | light boat that is paddled |
| CRAFT | boat, ship |
| KAYAK | type of boat |
| SKIFF | small boat |
| YACHT | recreational boat or ship |
| BULLET | submarine - torpedo, pistol - ? |
| DINGHY | type of small boat |
| PADDLE | for boat or pingpong |
| PISTOL | torpedo - submarine, bullet - ? |
| GONDOLA | type of boat |
| REGATTA | series of boat races |
| TORPEDO | pistol - bullet, submarine - ? |
| WARSHIP | corvette or submarine |
| WATERCRAFT | boat |
| URANIUM | U |
| DOLLAR | Ukraine - hryvnia, Australia - ? |