| Similarity | Rank | |
|---|---|---|
| opt-in | 0.853 | 25524 |
| unsubscribe | 0.749 | 31170 |
| notification | 0.703 | 9075 |
| log-in | 0.666 | 47539 |
| subscriber's | 0.661 | 89125 |
| notifications | 0.660 | 15088 |
| E-Verify | 0.649 | 52715 |
| Privacy | 0.645 | 8974 |
| sign-up | 0.642 | 23362 |
| senders | 0.638 | 56964 |
| 0.636 | 89494 | |
| anti-spam | 0.634 | 60734 |
| disallow | 0.634 | 55036 |
| 0.632 | 885 | |
| Notification | 0.632 | 27846 |
| third-parties | 0.629 | 97353 |
| whitelist | 0.628 | 86702 |
| notifying | 0.626 | 29309 |
| re-register | 0.624 | 93406 |
| nondiscrimination | 0.621 | 97527 |
| 0.619 | 3138 | |
| terminate | 0.616 | 13665 |
| sign-on | 0.616 | 69789 |
| unsolicited | 0.615 | 23724 |
| Subscriber | 0.614 | 40460 |