| Similarity | Rank | |
|---|---|---|
| upgrade | 0.788 | 1717 |
| upgrade_to | 0.646 | 7666 |
| an_upgrade | 0.613 | 30347 |
| Upgrade | 0.584 | 46165 |
| improvement | 0.566 | 1326 |
| modernisation | 0.553 | 41738 |
| refurbishment | 0.553 | 27154 |
| enhancement | 0.551 | 6647 |
| modernization_of | 0.540 | 29481 |
| modernisation_of | 0.532 | 59815 |
| refurbishment_of | 0.526 | 48211 |
| retrofitting | 0.524 | 76969 |
| renovation | 0.521 | 6141 |
| infrastructure_development | 0.517 | 27040 |
| infrastructure_improvement | 0.516 | 69872 |
| modernization | 0.514 | 15938 |
| maintenance | 0.508 | 2083 |
| new_infrastructure | 0.508 | 65069 |
| retrofit | 0.503 | 16237 |
| or_replacement | 0.494 | 55227 |
| refurbish | 0.494 | 12780 |
| installation_of | 0.493 | 4058 |
| renovation_of | 0.487 | 16250 |
| overhaul | 0.487 | 12205 |
| upgrade_their | 0.485 | 92072 |