| in industry etc | 3 | location |
| naturally | 2 | manner |
| bark → contain → tannin | 50 |
| bark → be → a source of tannins | 5 |
| bark → yield → tannin | 4 |
| bark → be used to extract → tannin | 3 |
| bark → have → tannin | 3 |
| negative | neutral | positive |
| 0.054 | 0.766 | 0.180 |
| Raw frequency | 65 |
| Normalized frequency | 0.601 |
| Modifier score | 0.500 |
| Perplexity | 117.836 |