| Similarity | Rank | |
|---|---|---|
| scotland | 0.784 | 855 |
| gwynedd | 0.742 | 14819 |
| england | 0.737 | 503 |
| welsh | 0.723 | 2358 |
| glamorgan | 0.696 | 10658 |
| gwent | 0.694 | 16662 |
| cardiff | 0.682 | 3954 |
| radnor | 0.680 | 36388 |
| powys | 0.679 | 15701 |
| scottish | 0.671 | 1119 |
| northumbria | 0.671 | 14352 |
| brecon | 0.670 | 20654 |
| ireland | 0.670 | 1154 |
| cumbria | 0.670 | 9190 |
| ammanford | 0.668 | 82188 |
| cornwall | 0.667 | 5093 |
| ebbw | 0.664 | 37207 |
| ridings | 0.662 | 55077 |
| dyfed | 0.660 | 19256 |
| carmarthen | 0.655 | 25596 |
| ceredigion | 0.652 | 50257 |
| yorkshire | 0.652 | 2188 |
| swansea | 0.651 | 7805 |
| montgomeryshire | 0.651 | 36096 |
| midlands | 0.644 | 4274 |