| specially | 3 | degree |
| from natural sources | 3 | other |
| from a milky colloidal suspension | 2 | other |
| rubber → be → derived | 8 |
| rubber → be → synthesized | 5 |
| rubber → be → formulated | 5 |
| rubber → be → developed | 4 |
| negative | neutral | positive |
| 0.060 | 0.740 | 0.200 |
| Raw frequency | 22 |
| Normalized frequency | 0.461 |
| Modifier score | 0.500 |
| Perplexity | 341.973 |