| Similarity | Rank | |
|---|---|---|
| pilot | 0.719 | 2126 |
| padi | 0.713 | 55527 |
| trainee | 0.696 | 5053 |
| training | 0.668 | 603 |
| atc | 0.653 | 31182 |
| parachutist | 0.641 | 32717 |
| cadets | 0.637 | 44652 |
| pot-holing | 0.635 | 91358 |
| aircrew | 0.635 | 21328 |
| microlight | 0.634 | 26740 |
| rya | 0.634 | 21994 |
| ppl | 0.631 | 31373 |
| rock-climbing | 0.628 | 65111 |
| beginner | 0.621 | 7528 |
| battlegroup | 0.620 | 74929 |
| navigator | 0.616 | 12064 |
| tp298 | 0.612 | 75507 |
| skier | 0.612 | 13871 |
| coxswain | 0.611 | 32320 |
| parachute | 0.610 | 7724 |
| eod | 0.609 | 56998 |
| otu | 0.609 | 88562 |
| ex-raf | 0.609 | 71415 |
| paddler | 0.608 | 22477 |
| aerobatics | 0.608 | 28976 |