| Similarity | Rank | |
|---|---|---|
| mandatory | 0.797 | 7238 |
| be_compulsory | 0.772 | 49804 |
| obligatory | 0.699 | 20984 |
| be_mandatory | 0.619 | 18140 |
| voluntary | 0.558 | 6529 |
| optional | 0.547 | 6363 |
| be_mandatory_for | 0.542 | 51313 |
| Mandatory | 0.506 | 99532 |
| required | 0.498 | 5608 |
| it_be_mandatory | 0.496 | 93758 |
| exemption_from | 0.495 | 46399 |
| a_voluntary | 0.493 | 34699 |
| free_choice | 0.489 | 92799 |
| statutory | 0.488 | 18204 |
| a_minimum | 0.486 | 23588 |
| an_optional | 0.478 | 27198 |
| abolition_of | 0.475 | 93238 |
| be_optional | 0.475 | 16185 |
| the_abolition_of | 0.475 | 40519 |
| stipulate | 0.471 | 25281 |
| supplementary | 0.470 | 31973 |
| exempt | 0.462 | 12917 |
| be_exempt_from | 0.457 | 22378 |
| exempt_from | 0.456 | 62981 |
| subsidise | 0.453 | 27430 |