| in some embodiments | 5 | other |
| to reduce the surface area | 5 | purpose |
| substantially | 4 | degree |
| surface → be → contoured | 28 |
| surface → have → contour | 5 |
| surface → have → non-planar contour | 3 |
| negative | neutral | positive |
| 0.035 | 0.833 | 0.133 |
| Raw frequency | 36 |
| Normalized frequency | 0.368 |
| Modifier score | 1.000 |
| Perplexity | 110.436 |