| Similarity | Rank | |
|---|---|---|
| kariba | 0.803 | 96697 |
| yangtze | 0.789 | 39515 |
| sarovar | 0.783 | 95960 |
| headwaters | 0.776 | 62123 |
| vyrnwy | 0.772 | 60661 |
| headwater | 0.762 | 73111 |
| leadon | 0.752 | 62022 |
| volta | 0.752 | 49472 |
| trool | 0.749 | 73938 |
| strontian | 0.746 | 90487 |
| donan | 0.746 | 82637 |
| mauretania | 0.745 | 91695 |
| dnieper | 0.741 | 79804 |
| guadalquivir | 0.740 | 68976 |
| yellowstone | 0.736 | 57532 |
| narmada | 0.733 | 44975 |
| gange | 0.733 | 34207 |
| chesil | 0.732 | 61477 |
| zambezi | 0.732 | 54954 |
| somport | 0.732 | 96122 |
| bure | 0.731 | 59207 |
| cuckmere | 0.729 | 45652 |
| north-eastward | 0.728 | 70783 |
| washes | 0.727 | 72811 |
| garten | 0.727 | 70269 |