| Similarity | Rank | |
|---|---|---|
| vistula | 0.849 | 42044 |
| reik | 0.835 | 48367 |
| irtysh | 0.833 | 86218 |
| neretva | 0.825 | 59252 |
| yenisei | 0.824 | 57014 |
| elbe | 0.819 | 33276 |
| talabec | 0.813 | 78120 |
| scheldt | 0.811 | 75574 |
| north-eastward | 0.807 | 70783 |
| sava | 0.807 | 38701 |
| charente | 0.797 | 64231 |
| basse-navarre | 0.796 | 73886 |
| drina | 0.793 | 62415 |
| apennine | 0.792 | 45131 |
| tigris | 0.790 | 46569 |
| dniester | 0.790 | 92074 |
| bosporus | 0.788 | 82158 |
| euphrates | 0.787 | 37768 |
| adriatic | 0.787 | 19062 |
| rhine | 0.785 | 13676 |
| strymon | 0.783 | 98091 |
| northwards | 0.783 | 31833 |
| galicia | 0.781 | 27914 |
| labourd | 0.780 | 78159 |
| avars | 0.778 | 56370 |