| Similarity | Rank | |
|---|---|---|
| refract | 0.607 | 95460 |
| refraction | 0.605 | 60232 |
| lens | 0.562 | 4010 |
| reflector | 0.516 | 29146 |
| Lens | 0.504 | 29197 |
| aperture | 0.497 | 19376 |
| optics | 0.492 | 69002 |
| angle | 0.488 | 3956 |
| axis_of | 0.485 | 31684 |
| eyepiece | 0.479 | 72838 |
| optic | 0.478 | 16028 |
| reflect_light | 0.477 | 69902 |
| grating | 0.471 | 47110 |
| iris | 0.470 | 27128 |
| optical_system | 0.469 | 82100 |
| prism_of | 0.469 | 54866 |
| ray | 0.467 | 15713 |
| laser_beam | 0.467 | 52218 |
| slant | 0.460 | 29517 |
| sphere | 0.460 | 8279 |
| diffraction | 0.459 | 70190 |
| mirror | 0.452 | 2346 |
| camera_lens | 0.451 | 88875 |
| spherical | 0.451 | 41141 |
| lens_of | 0.450 | 14070 |