| with lichen | 6 | other |
| entirely | 3 | degree |
| by an exterior envelope | 3 | other |
| nest → be → covered | 12 |
| nest → covered on → the outside | 3 |
| negative | neutral | positive |
| 0.089 | 0.829 | 0.082 |
| Raw frequency | 15 |
| Normalized frequency | 0.337 |
| Modifier score | 0.800 |
| Perplexity | 453.818 |