| 100% | OSAGE | 5 | 276-mile-long Missouri river that the Harry S. Truman Reservoir and the Lake of the Ozarks sits on |
| 42% | OSAGE | 5 | — River, tributary of the Missouri, US that flows into the Lake of the Ozarks reservoir |
| 42% | OSAGE | 5 | — River, tributary of the Missouri, US, that flows into the Lake of the Ozarks reservoir |
| 42% | OSAGE | 5 | — River, US tributary of the Missouri that flows into the Lake of the Ozarks reservoir |
| 42% | OSAGE | 5 | — River, tributary of the Missouri River in the US that flows into the Lake of the Ozarks reservoir |
| 37% | OSAGE | 5 | — River, tributary of the Missouri River, US, which flows into the Lake of the Ozarks reservoir |
| 35% | EBRO | 4 | 580 mile long river which is the longest that lies entirely within the nation of Spain |
| 34% | REUSS | 5 | River of Switzerland that flows through Lake Lucerne and the town of Bremgarten |
| 34% | OSAGE | 5 | River that flows into the Lake of the Ozarks |
| 33% | ERIE | 4 | Lake that the Rock and Roll Hall of Fame is on the shore of |
| 33% | AAR | 3 | 183 mile long Swiss river that rises in the Bernese Alps and has more than 40 hydroelectric plants along its length |
| 32% | OSAGE | 5 | River impounded to form the Lake of the Ozarks |
| 32% | ERIE | 4 | Lake that's the source of the Niagara River |
| 32% | XXXX | 4 | Lake that's the source of the Niagara River |
| 32% | TOA | 3 | 81 mile long Cuban river, located mostly in Guantanamo Province, that enters the Caribbean just north of Baracoa |
| 32% | OSAGE | 5 | Lake of the Ozarks' river |
| 32% | OSAGE | 5 | Lake of the Ozarks river |
| 32% | OSAGE | 5 | River through Lake of the Ozarks |
| 31% | ELS | 3 | 24 mile long river and tributary of the Streu in the Rhon Mountains, Bavaria |
| 31% | CHAMP | 5 | Monster that's been sighted over 300 times and supposedly inhabits the 125 mile long lake shared by Vermont, New York and Quebec |
| 31% | ITASCA | 6 | Minnesota lake that's the source of the Mississippi River |
| 31% | ITASCA | 6 | Minnesota lake that's the headwater of the Mississippi River |
| 31% | OTSEGO | 6 | New York lake that's the source of the Susquehanna River |
| 31% | SOR | 3 | 30 mile long river that's the only salmon river in Galicia |
| 30% | THEINN | 6 | Large non-profit org. based on Long Island that addresses the challenges of hunger, homelessness and poverty |
| 30% | ERIE | 4 | Pennsylvania city that shares the name of the Great Lake it's on |
| 30% | ERIE | 4 | Lake that's adjacent to the Rock and Roll Hall of Fame |
| 30% | SAL | 3 | 482 mi. long river that flows into the Don and rises near the city of Elista in Kalmykia, Russia |
| 30% | SIRET | 5 | 402 mile long Romanian river that meets the Danube at Galati |