| as a fuel for mobility | 9 | purpose |
| safely | 7 | manner |
| easily | 7 | manner |
| hydrogen → be → stored | 150 |
| hydrogen → be stored for → later use | 17 |
| hydrogen → be stored for → use | 13 |
| hydrogen → be stored for → future use | 8 |
| hydrogen → be stored for → example | 5 |
| hydrogen → be used as → a storage medium | 3 |
| hydrogen → be stored → available | 3 |
| negative | neutral | positive |
| 0.067 | 0.724 | 0.209 |
| Raw frequency | 199 |
| Normalized frequency | 0.780 |
| Modifier score | 0.000 |
| Perplexity | 28.786 |