| unlike fluorescent counterparts | 4 | other |
| environmentally | 3 | manner |
| unlike compact fluorescents | 3 | other |
| led → contain → mercury | 9 |
| led → contain → toxic mercury | 4 |
| led → contain → harmful mercury | 4 |
| led → contain → hazardous mercury | 3 |
| negative | neutral | positive |
| 0.157 | 0.423 | 0.420 |
| Raw frequency | 20 |
| Normalized frequency | 0.322 |
| Modifier score | 0.500 |
| Perplexity | 223.953 |