| to pale yellow | 8 | other |
| in its unchanged natural form | 6 | other |
| occasionally | 3 | degree |
| zircon → be → colorless | 7 |
| zircon → appear → colorless | 4 |
| zircon → be → colourless | 3 |
| negative | neutral | positive |
| 0.060 | 0.752 | 0.188 |
| Raw frequency | 14 |
| Normalized frequency | 0.548 |
| Modifier score | 0.667 |
| Perplexity | 169.660 |