| Similarity | Rank | |
|---|---|---|
| stop-watch | 0.703 | 58012 |
| loran | 0.673 | 53956 |
| sextant | 0.656 | 56869 |
| altimeter | 0.650 | 35831 |
| adf | 0.649 | 38747 |
| asi | 0.643 | 41306 |
| localiser | 0.634 | 43724 |
| centreboard | 0.621 | 91724 |
| autopilot | 0.621 | 41583 |
| chronometer | 0.620 | 51264 |
| l.e.d. | 0.613 | 19080 |
| footstrap | 0.613 | 53751 |
| navigational | 0.611 | 23169 |
| footsteering | 0.608 | 87264 |
| midships | 0.606 | 84045 |
| teletype | 0.606 | 72541 |
| eyepiece | 0.605 | 40674 |
| airspeed | 0.605 | 25622 |
| call-sign | 0.603 | 70114 |
| directional | 0.603 | 18067 |
| locator | 0.602 | 42159 |
| ndb | 0.601 | 54429 |
| nose-wheel | 0.599 | 69411 |
| geomagnetic | 0.599 | 34133 |
| gransden | 0.598 | 64847 |