| 100% | SOCOTRA | 7 | Island near the mouth of the Gulf of Aden that became part of South Yemen in 1967 |
| 37% | WILLESDEN | 9 | Former municipal borough of Middlesex that became part of the borough of Brent in 1965 |
| 35% | STEPNEY | 7 | Former Metropolitan Borough that became part of the London Borough of Tower Hamlets in 1965 |
| 34% | HORMUZ | 6 | Island at the mouth of the Persian Gulf |
| 33% | AEGINA | 6 | Island of Greece in the Saronic Gulf south of Salamis |
| 32% | COLERAINE | 9 | Town in Northern Ireland near the mouth of the River Bann |
| 32% | EAR | 3 | Part of the body that becomes what it does if you put an H in front of it |
| 32% | EAGLE | 5 | ___ Island, island in Antarctica that is volcanic in origin and part of the James Ross Island Volcanic Group |
| 32% | CAPRI | 5 | Island in the Gulf of Naples |
| 31% | ZULU | 4 | South African tribe that's found near the back of the dictionary |
| 31% | CAPRI | 5 | Island off Italy in the Gulf of Naples |
| 31% | MEME | 4 | Something from the Internet that becomes part of the cultural conversation |
| 31% | ISCHIA | 6 | Tourist island in the Gulf of Naples |
| 30% | IOWA | 4 | State whose land became part of the US in the Louisiana Purchase |
| 30% | ALAND | 5 | Finnish island group in the Gulf of Bothnia |
| 30% | SAOTOME | 7 | __ and Príncipe: island country in the Gulf of Guinea |
| 30% | DRA | 3 | Org. that's a Fed.-state partnership for improving life for residents near the mouth of the Mississippi |
| 30% | NEWCASTLE | 9 | Harbour city in New South Wales, Australia at the mouth of the Hunter River |
| 30% | HAITI | 5 | Caribbean country that's part of the island of Hispaniola |
| 30% | MALTA | 5 | Mediterranean island nation that's part of the European Union |
| 30% | IRELAND | 7 | Nation that ceased being part of the UK in 1921 |
| 30% | LIP | 3 | Part of the mouth that can be pierced |
| 30% | GUMS | 4 | Parts of the mouth that can develop gingivitis |
| 30% | SHETLAND | 8 | Island region in the northernmost part of Scotland |
| 30% | DOOM | 4 | Mount ___, fictional mountain in the "Lord of the Rings" franchise that is part of its fantastical geography |
| 29% | REDSEA | 6 | Body of water that Moses parts in the Bible: 2 wds. |
| 29% | REDSEA | 6 | Body of water that's parted in the Bible: 2 wds. |
| 29% | IRIS | 4 | Part of the eye that comes in different colors |
| 29% | YEMENS | 6 | Nations designated South, bordering the Gulf of Aden and North, bordering Red Sea, from 1970-90 |
| 29% | EXXONVALDEZ | 11 | Oil tanker that ran aground in the Gulf of Alaska in 1989 |