| with a little effort | 8 | cause |
| very | 6 | degree |
| substantially | 3 | degree |
| building → be → airtight | 43 |
| building → be made → airtight | 4 |
| building → become → airtight | 3 |
| negative | neutral | positive |
| 0.123 | 0.477 | 0.400 |
| Raw frequency | 50 |
| Normalized frequency | 0.368 |
| Modifier score | 0.500 |
| Perplexity | 132.888 |