| Similarity | Rank | |
|---|---|---|
| two-tiered | 0.893 | 88361 |
| tiered | 0.743 | 32302 |
| multi-tiered | 0.725 | 85188 |
| European-style | 0.663 | 76261 |
| tiers | 0.660 | 24649 |
| scheme | 0.630 | 2992 |
| flat-rate | 0.621 | 95918 |
| two-level | 0.609 | 92034 |
| centralised | 0.606 | 38851 |
| multi-level | 0.602 | 30644 |
| free-standing | 0.599 | 48704 |
| market-based | 0.597 | 53093 |
| American-style | 0.596 | 79210 |
| top-down | 0.592 | 30578 |
| tier | 0.591 | 12047 |
| fee-for-service | 0.590 | 64876 |
| performance-based | 0.589 | 53782 |
| one-size-fits-all | 0.589 | 39272 |
| pass-through | 0.587 | 59006 |
| state-based | 0.587 | 80009 |
| market-driven | 0.584 | 82153 |
| pay-as-you-go | 0.583 | 66131 |
| simplified | 0.583 | 13022 |
| public-sector | 0.580 | 68467 |
| disincentives | 0.579 | 92084 |