| extremely | 11 | degree |
| relatively | 9 | degree |
| for many years | 9 | temporal |
| autism → be → rare | 44 |
| autism → be → rare condition | 10 |
| autism → be → rare disorder | 5 |
| autism → be considered → rare condition | 5 |
| autism → be considered → rare | 4 |
| autism → be considered → rare disorder | 3 |
| negative | neutral | positive |
| 0.467 | 0.476 | 0.057 |
| Raw frequency | 71 |
| Normalized frequency | 0.604 |
| Modifier score | 1.000 |
| Perplexity | 250.374 |