| Similarity | Rank | |
|---|---|---|
| Skype | 0.504 | 9449 |
| IM | 0.495 | 29773 |
| AOL | 0.476 | 24271 |
| CCC | 0.471 | 20315 |
| MMS | 0.462 | 27975 |
| BBM | 0.460 | 69865 |
| MSN | 0.449 | 25166 |
| SMS | 0.448 | 10055 |
| FTP | 0.439 | 26131 |
| IMAP | 0.435 | 77450 |
| Hotmail | 0.430 | 77011 |
| skype | 0.430 | 58605 |
| Venture | 0.427 | 47131 |
| Aim | 0.424 | 76937 |
| 0.423 | 16426 | |
| MAP | 0.423 | 27678 |
| Yahoo | 0.423 | 12181 |
| Exchange | 0.422 | 7480 |
| BCM | 0.421 | 93868 |
| TC | 0.421 | 16231 |
| POP | 0.418 | 43226 |
| CAPS | 0.416 | 80025 |
| 0.415 | 33817 | |
| Thunderbird | 0.415 | 31153 |
| instant_message | 0.415 | 36103 |