| 100% | NILE | 4 | River that Longfellow called “forever new and old” |
| 41% | HACKENSACK | 10 | River in New Jersey and New York, US, that flows into Newark Bay |
| 38% | URAL | 4 | River that Kazakhs call Zhayyq |
| 37% | CHARLES | 7 | River that separates Boston and Cambridge |
| 37% | AIRE | 4 | River that flows through Leeds and Skipton |
| 37% | DANUBE | 6 | River that flows through Budapest and Belgrade |
| 37% | NILE | 4 | River that Khartoum and Cairo are on |
| 37% | DNIEPER | 7 | River that flows through Russia and Ukraine |
| 37% | ARNO | 4 | River that passes through Florence and Pisa |
| 36% | POTOMAC | 7 | River that flows between Maryland and Washington, DC |
| 36% | BIBLE | 5 | Old and New Testament |
| 35% | RHINE | 5 | River that flows through Germany and the Swiss Alps |
| 35% | POTOMAC | 7 | River that Alexandria, VA and Washington, DC lie on |
| 35% | MORAVA | 6 | River that forms the border between Slovakia and Austria |
| 35% | AMUR | 4 | River that forms the boundary between Manchuria and Russia |
| 35% | DNIEPER | 7 | River that crosses Russia and Ukraine to Black Sea |
| 35% | MEKONG | 6 | River that forms the border between Laos and Myanmar |
| 35% | CAM | 3 | River that flows through and is hidden in "Cambridge" |
| 35% | CONGO | 5 | African river that separates Brazzaville and Kinshasa |
| 35% | CRISPSCRIP | 10 | Old money that looks new |
| 35% | NILE | 4 | River that once had a tributary called the Khufu Branch |
| 35% | TWRCH | 5 | River that formed the ancient boundary between Brecknockshire and Carmarthenshire |
| 35% | STYX | 4 | River that separates Earth and the Underworld, in Greek myth |
| 35% | EUPHRATES | 9 | Major river that flows through Iraq and Syria |
| 35% | RHINE | 5 | Major river that runs through Rotterdam and Cologne |
| 35% | RAMAPO | 6 | New York and New Jersey river |
| 34% | REISSUES | 8 | Old things that are new again |
| 34% | ERAS | 4 | Times old and new |
| 34% | DRINA | 5 | River that forms the boundary between Bosnia and Herzegovina and Montenegro |
| 34% | ODER | 4 | River that forms part of the border between Germany and Poland |