| much | 22 | degree |
| noticeably | 10 | degree |
| a lot | 6 | degree |
| engine → be → quieter | 63 |
| engine → seem → quieter | 9 |
| engine → sound → quieter | 6 |
| engine → run → quieter | 6 |
| engine → become → quieter | 4 |
| negative | neutral | positive |
| 0.068 | 0.383 | 0.548 |
| Raw frequency | 88 |
| Normalized frequency | 0.586 |
| Modifier score | 0.500 |
| Perplexity | 285.175 |