| Similarity | Rank | |
|---|---|---|
| refractor | 0.773 | 70291 |
| eyepiece | 0.767 | 40674 |
| downlight | 0.755 | 65213 |
| auto-focus | 0.749 | 80127 |
| telescopic | 0.738 | 29772 |
| deflector | 0.732 | 73794 |
| wide-angle | 0.724 | 44455 |
| naked-eye | 0.723 | 42129 |
| low-powered | 0.719 | 58874 |
| parabolic | 0.716 | 43023 |
| aperture | 0.714 | 15868 |
| halogen | 0.712 | 28202 |
| fluorescent | 0.708 | 12488 |
| pitot | 0.707 | 46817 |
| plexiglass | 0.706 | 36041 |
| resonator | 0.705 | 34831 |
| 70mm | 0.704 | 95610 |
| telephoto | 0.704 | 40300 |
| phototransistor | 0.703 | 95031 |
| ammeter | 0.702 | 56001 |
| low-voltage | 0.701 | 34744 |
| viewfinder | 0.700 | 28719 |
| fan-shaped | 0.700 | 68076 |
| diffract | 0.699 | 71243 |
| nebulæ | 0.698 | 66546 |