| Similarity | Rank | |
|---|---|---|
| infra-red | 0.943 | 68775 |
| Infrared | 0.871 | 34482 |
| imager | 0.788 | 87394 |
| ultraviolet | 0.757 | 22360 |
| ultra-violet | 0.755 | 90146 |
| detectors | 0.747 | 18911 |
| sensor | 0.745 | 7125 |
| sensors | 0.740 | 8505 |
| detector | 0.733 | 15340 |
| IR | 0.732 | 18197 |
| thermography | 0.732 | 92522 |
| wavelengths | 0.732 | 27565 |
| spectrometer | 0.717 | 58861 |
| microwaves | 0.716 | 41029 |
| photoelectric | 0.714 | 95795 |
| optical | 0.714 | 8261 |
| electromagnetic | 0.712 | 16569 |
| laser | 0.711 | 4469 |
| radiation | 0.708 | 5280 |
| reflectance | 0.706 | 69799 |
| ultrasonic | 0.705 | 34927 |
| ground-based | 0.705 | 65588 |
| thermal | 0.702 | 8079 |
| radiations | 0.702 | 70904 |
| spectroscopy | 0.695 | 40691 |