| Similarity | Rank | |
|---|---|---|
| multiuser | 0.947 | 59386 |
| toolbus | 0.943 | 81394 |
| non-unix | 0.938 | 66254 |
| unix-like | 0.938 | 84794 |
| iapx-86-based | 0.936 | 51691 |
| vrtx | 0.936 | 91095 |
| pc-xview | 0.935 | 92376 |
| cross-system | 0.935 | 92414 |
| machten | 0.934 | 95239 |
| unicenter | 0.932 | 90009 |
| multithreaded | 0.932 | 80529 |
| acms | 0.931 | 91173 |
| pathworks | 0.928 | 73529 |
| hardware-independent | 0.928 | 81186 |
| mainframe-based | 0.927 | 63531 |
| teamware | 0.926 | 92308 |
| proteam | 0.925 | 92013 |
| netdirector | 0.924 | 62581 |
| xenix | 0.924 | 53595 |
| datagate | 0.923 | 86019 |
| corp-motorola | 0.923 | 98979 |
| messaging | 0.923 | 95232 |
| parallelising | 0.923 | 84393 |
| architectures | 0.922 | 88413 |
| ctos | 0.922 | 75879 |