| to allow natural light | 8 | purpose |
| outside | 6 | location |
| in all categories | 6 | other |
| cabin → have → porthole | 136 |
| cabin → feature → porthole | 26 |
| cabin → have → port hole | 20 |
| cabin → offer → porthole | 8 |
| cabin → face with → porthole | 5 |
| cabin → be → porthole | 3 |
| negative | neutral | positive |
| 0.039 | 0.742 | 0.219 |
| Raw frequency | 198 |
| Normalized frequency | 0.566 |
| Modifier score | 0.969 |
| Perplexity | 51.929 |