| Similarity | Rank | |
|---|---|---|
| Thunderbird | 0.699 | 27417 |
| Macintosh | 0.675 | 22945 |
| Mailer | 0.654 | 70794 |
| Netscape | 0.649 | 29597 |
| Mac | 0.634 | 3874 |
| Reader | 0.630 | 11376 |
| Outlook | 0.624 | 10526 |
| Windows | 0.622 | 1799 |
| Notepad | 0.618 | 48592 |
| Norton | 0.618 | 15615 |
| Vista | 0.615 | 9533 |
| Macs | 0.615 | 24487 |
| WordPerfect | 0.615 | 89354 |
| Borland | 0.612 | 72005 |
| IMAP | 0.611 | 43841 |
| FrontPage | 0.608 | 67943 |
| Postscript | 0.606 | 64500 |
| OpenOffice | 0.604 | 56849 |
| Whitman | 0.603 | 25342 |
| Hotmail | 0.603 | 39485 |
| Mailman | 0.601 | 99950 |
| MacOS | 0.600 | 63038 |
| AppleScript | 0.599 | 90138 |
| iChat | 0.598 | 98123 |
| Scrivener | 0.594 | 88831 |