| Similarity | Rank | |
|---|---|---|
| funboard | 0.773 | 32190 |
| kayak | 0.761 | 22204 |
| waterski | 0.734 | 55596 |
| rulor | 0.724 | 73268 |
| footstrap | 0.718 | 53751 |
| slalom | 0.717 | 15993 |
| aerobatic | 0.716 | 26862 |
| centreboard | 0.713 | 91724 |
| vfr | 0.711 | 49643 |
| clogstoun-willmott | 0.705 | 53252 |
| pot-holing | 0.703 | 91358 |
| sailboat | 0.702 | 58310 |
| orienteering | 0.700 | 42052 |
| pentathlon | 0.699 | 73715 |
| parascending | 0.699 | 87243 |
| aerobatics | 0.697 | 28976 |
| pedaloe | 0.696 | 72753 |
| wwr | 0.693 | 60442 |
| scuba-diving | 0.692 | 93607 |
| sub-aqua | 0.691 | 60687 |
| weight-lifting | 0.691 | 69580 |
| catamaran | 0.690 | 24213 |
| parafoil | 0.690 | 60013 |
| sailing | 0.688 | 4683 |
| kayaking | 0.687 | 85462 |