| HOY | Second largest island of the Orkney archipelago |
| MINDANAO | Second-largest island of the Philippines, known as the Land of Promise (8) |
| MULL | Second-largest island of the Inner Hebrides, on the Firth of Lorn (4) |
| DISKO | Second-largest island of Greenland, site of Godhavn (5) |
| VANUALEVU | Second-largest island of Fiji, formerly known as Sandalwood Island (5,4) |
| MAUI | Second-largest island of Hawaii, known as the Valley Isle (4) |
| KIRKWALL | Largest town and administrative HQ of the Orkney Islands (8) |
| POMONA | Largest of the Orkney Islands |
| EDAY | Ninth largest of the Orkney Islands (4) |
| EUBOEA | Second-largest island of Greece after Crete, in the western Aegean Sea (6) |
| OLAND | Second-largest island of Sweden, separated from the mainland by Kalmar Sound (5) |
| HOKKAIDO | Second largest island of Japan (8) |
| ORCADIAN | Native or inhabitant of the Orkney Islands |
| NORN | Medieval language of the Orkney and Shetlands which was extinct by 1750 (4) |
| SARDINIA | With the capital Cagliari and situated directly south of Corsica, the second-largest island in the Mediterranean Sea, site of Costa Smeralda (8) |
| GOZO | The second largest island in the Maltese archipelago (4) |
| PAPUANEWGUINEA | Eastern half of the world's second largest island (5,3,6) |
| ROUSAY | Orkney island, home to the Orkney vole (6) |
| PENTLANDFIRTH | Channel between the mainland of Scotland and the Orkney Islands (8,5) |
| KODIAK | Second largest island in the United States, on the south coast of Alaska (6) |
