| 100% | DAM | 3 | Manmade structure that often helps in restricting flow of rivers |
| 38% | EBRO | 4 | River in Spain that flows to the Mediterranean southwest of Tarragona |
| 37% | JAW | 3 | One of the structures in the mouth that helps you chew |
| 37% | NILE | 4 | One of the longest rivers in the world that flows through Egypt |
| 37% | GODAVARI | 8 | River rising in Maharashtra, India sacred to Hindus that flows to the Bay of Bengal |
| 35% | PIAVE | 5 | River rising in the Carnic Alps in NE Italy that flows past Belluno to the Gulf of Venice |
| 35% | OSAGE | 5 | — River, tributary of the Missouri River in the US that flows into the Lake of the Ozarks reservoir |
| 34% | DAM | 3 | Structure that blocks the flow of water |
| 34% | DAM | 3 | Structure that stops the flow of water |
| 34% | SAL | 3 | 482 mi. long river that flows into the Don and rises near the city of Elista in Kalmykia, Russia |
| 34% | SUWANNEE | 8 | US river rising in the Okefenokee Swamp on the Georgia-Florida border that flows to the Gulf of Mexico |
| 34% | DAMS | 4 | Structures that beavers build in rivers |
| 33% | HOOVERDAM | 9 | Structure that holds back the Colorado River in US |
| 33% | YIRUMA | 6 | South Korean pianist of River Flows in You |
| 33% | NILE | 4 | River that flows in East Africa |
| 32% | CLYDE | 5 | River in Scotland that flows through Glasgow |
| 32% | YEO | 3 | River in England that flows through Congresbury |
| 32% | NILE | 4 | River that flows out of Lake Victoria |
| 32% | DAM | 3 | It can control the flow of water in a river |
| 32% | STAGNANT | 8 | Of water that does not flow, often smelly |
| 32% | VLTAVA | 6 | River that flows through the heart of Prague |
| 32% | UBANGI | 6 | River that flows through the city of Bangui |
| 32% | STYX | 4 | River that most of Achilles was dipped in |
| 31% | ILLER | 5 | River that flows into the Danube in the center of Ulm |
| 31% | UNI | 3 | Something that often precedes a corn, only in fiction, of course |
| 31% | YARRA | 5 | River in Victoria, Australia that flows westward to Melbourne |
| 31% | VIRE | 4 | River in Normandy, France, that flows through Saint-Lo |
| 31% | THAMES | 6 | River that flows under the Tower Bridge in London |
| 31% | CAM | 3 | River that flows through and is hidden in "Cambridge" |
| 31% | OSAGE | 5 | River that flows into the Lake of the Ozarks |