| to maintain hydration | 3 | purpose |
| for parts of their lifecycle | 3 | temporal |
| for survival | 2 | purpose |
| amphibian → need → water | 4 |
| amphibian → require → water | 3 |
| amphibian → rely on → water | 3 |
| amphibian → absorb → water | 3 |
| negative | neutral | positive |
| 0.210 | 0.638 | 0.152 |
| Raw frequency | 13 |
| Normalized frequency | 0.487 |
| Modifier score | 0.867 |
| Perplexity | 31.442 |