| well | 15 | degree |
| from the 4th century bc | 7 | temporal |
| thoroughly | 2 | manner |
| history → be → recorded | 21 |
| history → be → documented | 20 |
| negative | neutral | positive |
| 0.164 | 0.688 | 0.148 |
| Raw frequency | 41 |
| Normalized frequency | 0.576 |
| Modifier score | 1.000 |
| Perplexity | 122.122 |