| Similarity | Rank | |
|---|---|---|
| keelboat | 0.709 | 87997 |
| padi | 0.691 | 55527 |
| yachting | 0.690 | 17006 |
| beginner | 0.681 | 7528 |
| instructors | 0.681 | 71102 |
| pedaloe | 0.679 | 72753 |
| students | 0.675 | 50516 |
| windsurfing | 0.666 | 12802 |
| brahmac | 0.662 | 62990 |
| cruising | 0.657 | 37909 |
| waterskiing | 0.656 | 40886 |
| csys | 0.655 | 56366 |
| scuba | 0.651 | 23477 |
| seamanship | 0.650 | 38593 |
| water-skiing | 0.649 | 44481 |
| mountaineering | 0.648 | 17096 |
| non-graduating | 0.643 | 54791 |
| paragliding | 0.638 | 46810 |
| pre-intermediate | 0.637 | 50734 |
| windsurf | 0.634 | 28776 |
| instructor | 0.634 | 6529 |
| rgn | 0.633 | 97461 |
| pony-trekking | 0.633 | 48501 |
| wind-surfing | 0.632 | 42197 |
| loriston-clarke | 0.630 | 92703 |