| very | 5 | degree |
| like many tropical plants | 5 | other |
| during the victorian era | 2 | temporal |
| fern → be → popular | 14 |
| fern → become → popular | 4 |
| negative | neutral | positive |
| 0.011 | 0.315 | 0.674 |
| Raw frequency | 18 |
| Normalized frequency | 0.692 |
| Modifier score | 0.700 |
| Perplexity | 128.646 |