100% | TAGUS | 5 | River that flows to the Atlantic at Lisbon, Portugal |
63% | TAFF | 4 | River that flows to the Bristol Channel at Cardiff |
63% | WEAR | 4 | River that flows to the North Sea at Sunderland |
63% | TEES | 4 | River that flows to the North Sea at Middlesbrough |
61% | URAL | 4 | Russian river that flows to the Caspian Sea at Guryev |
60% | TYNE | 4 | English river that flows to the North Sea at South Shields |
55% | UGIE | 4 | River in Scotland that flows to the North Sea at Peterhead |
55% | SAVA | 4 | River rising in Slovenia that flows to the Danube at Belgrade |
55% | WESER | 5 | River in Germany that flows to the North Sea at Bremerhaven |
54% | AVE | 3 | 52 mile long Portuguese river that flows into the Atlantic at Vila do Conde |
53% | RIBBLE | 6 | River that flows to the Irish Sea near Preston |
53% | AVON | 4 | River of central England that flows to the River Severn at Tewkesbury |
53% | ELBE | 4 | River in central Europe that flows to the North Sea at Hamburg |
53% | DEMERARA | 8 | River in Guyana flowing north to the Atlantic at Georgetown |
53% | TYNE | 4 | River in N England that flows to the North Sea at South Shields |
52% | YANGTZE | 7 | River that flows to the East China Sea near Shanghai, China |
51% | ELBE | 4 | 380 mile central European river that flows to the North Sea |
50% | TIGRIS | 6 | Asian river that flows to the Euphrates to form the Shatt al-Arab delta |
50% | SAINTMAURICE | 12 | River rising in Quebec, Canada, that flows to the St Lawrence at Trois-Rivieres |
49% | PARNAIBA | 8 | Brazilian river that flows into the Atlantic Ocean |
49% | CAM | 3 | River that flows through Cambridge to the River Ouse |
49% | TEES | 4 | River that flows into the North Sea at Middlesbrough |
49% | TEES | 4 | River that flows through Middlesbrough to the North Sea |
47% | PECOS | 5 | River that flows from New Mexico through Texas to the Rio Grande |
47% | RIOGRANDE | 9 | River that flows from Colorado to the Gulf of Mexico: 2 wds. |
47% | RIO | 3 | ___ Grande (river that flows to the Gulf of Mexico) |
46% | DOURO | 5 | River that forms part of the border between Spain and Portugal before flowing west to the Atlantic |
46% | EBRO | 4 | River in Spain that flows to the Mediterranean southwest of Tarragona |
46% | VISTULA | 7 | River of Poland that flows to the Baltic Sea near Gdansk |
45% | OUSE | 4 | River in England that flows to the Wash near King's Lynn |