| noticeably | 4 | degree |
| after the first use | 3 | temporal |
| due to friction | 3 | cause |
| tooth → be → smoother | 23 |
| tooth → get → smoother | 3 |
| negative | neutral | positive |
| 0.051 | 0.337 | 0.612 |
| Raw frequency | 26 |
| Normalized frequency | 0.280 |
| Modifier score | 0.500 |
| Perplexity | 277.919 |