| Similarity | Rank | |
|---|---|---|
| lantastic | 0.931 | 41668 |
| ultrix | 0.930 | 25945 |
| netbios | 0.928 | 78132 |
| hp-ux | 0.924 | 21501 |
| lu6 | 0.924 | 66217 |
| spx | 0.920 | 56288 |
| sunos | 0.917 | 31967 |
| motif-based | 0.916 | 46138 |
| appletalk | 0.915 | 52229 |
| encina | 0.914 | 27100 |
| 6000 | 0.912 | 20635 |
| decnet | 0.912 | 40874 |
| telnet | 0.912 | 52181 |
| debugger | 0.911 | 38130 |
| r3000 | 0.910 | 37587 |
| 9000 | 0.910 | 42537 |
| nfs | 0.910 | 24563 |
| db2 | 0.909 | 20259 |
| openvms | 0.909 | 31561 |
| uniface | 0.908 | 48607 |
| readies | 0.907 | 39237 |
| sparcstations | 0.907 | 42090 |
| oltp | 0.904 | 30065 |
| rdb | 0.904 | 33659 |
| xenix | 0.903 | 53595 |