| Similarity | Rank | |
|---|---|---|
| northern | 0.819 | 1028 |
| scotland | 0.796 | 855 |
| irish | 0.743 | 1729 |
| ulster | 0.714 | 3265 |
| england | 0.711 | 503 |
| eire | 0.687 | 18306 |
| dublin | 0.674 | 3370 |
| wales | 0.670 | 1209 |
| scottish | 0.647 | 1119 |
| under-18s | 0.630 | 98496 |
| protestant | 0.624 | 4434 |
| belfast | 0.623 | 2508 |
| donegal | 0.617 | 13237 |
| l.r.ir. | 0.617 | 85888 |
| schoolboys | 0.612 | 93687 |
| ncu | 0.610 | 71955 |
| britain | 0.609 | 452 |
| denmark | 0.601 | 4880 |
| highland | 0.601 | 4902 |
| cavan | 0.600 | 31863 |
| marianas | 0.599 | 79764 |
| kingdom | 0.598 | 1514 |
| anglos | 0.597 | 75352 |
| full-strength | 0.595 | 56185 |
| presbyterianism | 0.595 | 45251 |