| Similarity | Rank | |
|---|---|---|
| xenix | 0.931 | 53595 |
| x11r5 | 0.930 | 66283 |
| xpg3 | 0.930 | 75118 |
| pc-xview | 0.929 | 92376 |
| svr4-based | 0.926 | 82341 |
| sqlbase | 0.926 | 84840 |
| 3000 | 0.921 | 72338 |
| netls | 0.917 | 89914 |
| framemaker | 0.916 | 57654 |
| pc-dos | 0.915 | 76178 |
| hp9000 | 0.915 | 85960 |
| multiuser | 0.914 | 59386 |
| 700s | 0.914 | 59326 |
| non-unix | 0.913 | 66254 |
| enhancements | 0.913 | 89398 |
| irix | 0.913 | 59756 |
| saic | 0.913 | 90421 |
| teamware | 0.913 | 92308 |
| multithreaded | 0.912 | 80529 |
| 1-based | 0.911 | 84527 |
| vrtx | 0.911 | 91095 |
| noblenet | 0.911 | 73803 |
| 2-based | 0.911 | 73369 |
| informix-gateway | 0.911 | 91940 |
| wizdom | 0.910 | 82319 |