| 100% | DRAINS | 6 | Grates into which rainwater flows |
| 49% | ELBE | 4 | River into which the Vltava flows |
| 49% | WESER | 5 | River into which the Fulda flows |
| 48% | ARAL | 4 | Sea into which the Amu Darya flows |
| 48% | OHIO | 4 | River into which the Big Sandy flows |
| 48% | OHIO | 4 | River into which the Great Miami flows |
| 48% | ERIE | 4 | Lake into which the Detroit River flows |
| 45% | OHIO | 4 | River into which the Big Sandy and the Little Sandy flow |
| 44% | CRIMEARIVER | 11 | The Chornaya, which flows into Sevastopol Bay? |
| 44% | VICTORIA | 8 | Lake —, body of water in Africa into which the Kagera River flows |
| 43% | ELBE | 4 | Hamburg's river which flows into the North Sea |
| 40% | SUSQUEHANNA | 11 | US river flowing into the Chesapeake Bay upon which Harrisburg, Pennsylvania stands |
| 37% | OSAGE | 5 | — River, tributary of the Missouri River, US, which flows into the Lake of the Ozarks reservoir |
| 35% | FEEDS | 5 | Flows into |
| 35% | FED | 3 | Flowed into |
| 35% | FEED | 4 | Flow into |
| 35% | XXX | 3 | Flowed into |
| 34% | ERIE | 4 | Lake into which the Cuyahoga empties |
| 34% | NUTMEG | 6 | Spice often grated into pumpkin desserts |
| 33% | SLUICING | 8 | Flowing through a grate |
| 33% | ATLANTIC | 8 | Ocean into which the Amazon River empties |
| 33% | ATLANTIC | 8 | Ocean into which the Orinoco River empties |
| 33% | JAWBONE | 7 | Body part into which teeth are embedded |
| 33% | TREVI | 5 | Fountain into which 6-Down were tossed |
| 33% | CASTE | 5 | Social class into which one is born |
| 33% | HURON | 5 | Lake into which Michigan's "thumb" juts |
| 33% | HYPERSPACE | 10 | Realm into which the Millennium Falcon jumps |
| 33% | INKPOT | 6 | Receptacle into which a quill is dipped |
| 33% | ARCTIC | 6 | Ocean into which the Ob River empties |
| 33% | EBBS | 4 | Flows back into the ocean |