| Similarity | Rank | |
|---|---|---|
| subscription | 0.923 | 6905 |
| Subscriptions | 0.855 | 56181 |
| subscribers | 0.831 | 8156 |
| Subscription | 0.792 | 28940 |
| subscription-based | 0.786 | 76374 |
| subscriber | 0.785 | 15156 |
| subscribing | 0.769 | 26065 |
| Subscribers | 0.766 | 40104 |
| memberships | 0.731 | 20648 |
| newsletters | 0.729 | 13156 |
| e-newsletters | 0.725 | 82860 |
| Subscribing | 0.724 | 99867 |
| subscribed | 0.723 | 21131 |
| subscribe | 0.718 | 8882 |
| paid-for | 0.716 | 83266 |
| e-books | 0.708 | 23923 |
| ad-supported | 0.705 | 97539 |
| sign-ups | 0.701 | 73871 |
| signups | 0.698 | 68530 |
| ebooks | 0.694 | 20456 |
| monthly | 0.694 | 2172 |
| downloads | 0.689 | 9473 |
| fee-based | 0.688 | 68578 |
| eBooks | 0.686 | 25725 |
| newsletter | 0.684 | 5877 |