| Similarity | Rank | |
|---|---|---|
| earnings-related | 0.850 | 31116 |
| non-contributory | 0.836 | 36581 |
| flat-rate | 0.828 | 32187 |
| means-test | 0.823 | 46413 |
| invalidity | 0.819 | 18820 |
| serps | 0.791 | 19019 |
| afdc | 0.790 | 61192 |
| income-related | 0.790 | 52533 |
| entitlement | 0.771 | 6591 |
| premia | 0.771 | 51039 |
| low-income | 0.760 | 18192 |
| serp | 0.759 | 72282 |
| pension | 0.752 | 1640 |
| income | 0.752 | 840 |
| non-tax | 0.752 | 98883 |
| benefit | 0.750 | 604 |
| deductibility | 0.749 | 97440 |
| full-rate | 0.748 | 73500 |
| miras | 0.747 | 47204 |
| non-employed | 0.744 | 87410 |
| oaps | 0.743 | 59123 |
| allowance | 0.738 | 2636 |
| in-kind | 0.738 | 48092 |
| higher-rate | 0.736 | 66862 |
| social-security | 0.734 | 44965 |