| in color | 4 | other |
| in worse conditions | 2 | other |
| tooth → be → brownish | 7 |
| tooth → look → brownish | 6 |
| tooth → become → brownish | 6 |
| tooth → turn → brownish hue | 3 |
| tooth → turn → brownish | 3 |
| tooth → appear → brownish | 3 |
| negative | neutral | positive |
| 0.615 | 0.355 | 0.030 |
| Raw frequency | 28 |
| Normalized frequency | 0.289 |
| Modifier score | 0.500 |
| Perplexity | 113.285 |