| very | 5 | degree |
| during this time period | 5 | temporal |
| in epidemic form | 4 | other |
| smallpox → be → common | 9 |
| smallpox → be → prevalent | 9 |
| negative | neutral | positive |
| 0.480 | 0.484 | 0.036 |
| Raw frequency | 18 |
| Normalized frequency | 0.458 |
| Modifier score | 0.500 |
| Perplexity | 167.984 |