| Similarity | Rank | |
|---|---|---|
| on-street | 0.641 | 81336 |
| off-peak | 0.628 | 57628 |
| taxis | 0.628 | 21559 |
| surcharge | 0.617 | 27588 |
| metering | 0.614 | 29160 |
| charging | 0.611 | 6307 |
| meter | 0.602 | 7089 |
| buses | 0.593 | 7825 |
| cabs | 0.588 | 33626 |
| trams | 0.577 | 46902 |
| off-street | 0.574 | 90678 |
| surcharges | 0.573 | 44705 |
| recirculation | 0.571 | 82564 |
| busses | 0.567 | 41899 |
| subways | 0.563 | 51604 |
| congestion | 0.563 | 12671 |
| congested | 0.562 | 27243 |
| parking | 0.562 | 2675 |
| recharging | 0.560 | 39597 |
| usage | 0.559 | 3613 |
| kilowatt | 0.558 | 45080 |
| kilowatt-hour | 0.557 | 96618 |
| pre-paid | 0.557 | 38084 |
| one-way | 0.554 | 20527 |
| stations | 0.549 | 3705 |