| Similarity | Rank | |
|---|---|---|
| pay-as-you-go | 0.851 | 66131 |
| pre-paid | 0.756 | 38084 |
| pre-pay | 0.736 | 95816 |
| surcharge | 0.727 | 27588 |
| surcharges | 0.706 | 44705 |
| tariff | 0.697 | 17878 |
| fee-for-service | 0.693 | 64876 |
| fee | 0.693 | 1930 |
| postpaid | 0.691 | 77628 |
| ADSL2 | 0.688 | 87379 |
| out-of-network | 0.675 | 98116 |
| lump-sum | 0.667 | 75784 |
| in-network | 0.665 | 95077 |
| tariffs | 0.664 | 20922 |
| USPS | 0.664 | 26091 |
| reimbursements | 0.663 | 42702 |
| fee-based | 0.663 | 68578 |
| fees | 0.662 | 1896 |
| pre-payment | 0.661 | 82930 |
| premiums | 0.661 | 7812 |
| reimbursement | 0.661 | 12616 |
| costs | 0.660 | 778 |
| pro-rated | 0.656 | 85976 |
| fares | 0.656 | 17298 |
| subsidy | 0.653 | 15945 |