| to become red | 5 | purpose |
| normally | 4 | degree |
| psoriasis → cause → rash | 6 |
| psoriasis → cause → patches of skin | 5 |
| psoriasis → cause → skin | 4 |
| psoriasis → cause → the skin of the individual | 3 |
| negative | neutral | positive |
| 0.773 | 0.218 | 0.010 |
| Raw frequency | 18 |
| Normalized frequency | 0.370 |
| Modifier score | 0.700 |
| Perplexity | 74.170 |