| Similarity | Rank | |
|---|---|---|
| Diving | 0.943 | 23120 |
| Dive | 0.915 | 22291 |
| Divers | 0.870 | 41818 |
| Snorkeling | 0.868 | 65900 |
| PADI | 0.866 | 32276 |
| SCUBA | 0.860 | 62864 |
| Snorkel | 0.855 | 86996 |
| scuba | 0.843 | 15689 |
| Divemaster | 0.840 | 99925 |
| Diver | 0.827 | 37391 |
| Kayaking | 0.824 | 52599 |
| diving | 0.798 | 6504 |
| Watersports | 0.794 | 97573 |
| Nitrox | 0.779 | 93311 |
| Kayak | 0.778 | 37370 |
| Fishing | 0.776 | 11138 |
| Sportfishing | 0.773 | 99357 |
| Underwater | 0.766 | 36362 |
| dive | 0.764 | 6104 |
| Boating | 0.760 | 44112 |
| snorkel | 0.756 | 30635 |
| snorkeling | 0.756 | 19848 |
| snorkelling | 0.754 | 40577 |
| liveaboard | 0.753 | 97949 |
| Kayaks | 0.749 | 83294 |