| very | 12 | degree |
| for efficiency | 5 | purpose |
| with its slight hourglass shape | 4 | other |
| device → be → ergonomic | 48 |
| device → have → ergonomic design | 27 |
| device → be designed to be → ergonomic | 5 |
| device → have → ergonomic shape | 3 |
| negative | neutral | positive |
| 0.017 | 0.209 | 0.774 |
| Raw frequency | 83 |
| Normalized frequency | 0.443 |
| Modifier score | 0.500 |
| Perplexity | 186.472 |