| Similarity | Rank | |
|---|---|---|
| 0.813 | 89494 | |
| 0.806 | 885 | |
| opt-in | 0.789 | 25524 |
| 0.785 | 3138 | |
| resend | 0.761 | 85007 |
| autoresponder | 0.753 | 42971 |
| unfollow | 0.752 | 89122 |
| opt-out | 0.749 | 32190 |
| mailing | 0.747 | 8066 |
| autoresponders | 0.743 | 81360 |
| subscribe | 0.741 | 8882 |
| emails | 0.741 | 4046 |
| senders | 0.737 | 56964 |
| Aweber | 0.727 | 77737 |
| inbox | 0.724 | 15257 |
| Feedburner | 0.722 | 79433 |
| spam | 0.722 | 7261 |
| 0.718 | 5835 | |
| MailChimp | 0.714 | 77422 |
| Subscribing | 0.708 | 99867 |
| subscribing | 0.707 | 26065 |
| notifications | 0.705 | 15088 |
| whitelist | 0.704 | 86702 |
| log-in | 0.703 | 47539 |
| subscriber's | 0.703 | 89125 |