| Similarity | Rank | |
|---|---|---|
| backup | 0.873 | 4844 |
| back-ups | 0.845 | 87949 |
| backups | 0.708 | 16899 |
| Backup | 0.670 | 18807 |
| standby | 0.656 | 19590 |
| stand-by | 0.621 | 65313 |
| offsite | 0.608 | 35013 |
| Backups | 0.598 | 74014 |
| fail-safe | 0.593 | 78491 |
| set-up | 0.571 | 11997 |
| stop-gap | 0.570 | 95431 |
| on-board | 0.569 | 26327 |
| failsafe | 0.569 | 84811 |
| replacement | 0.567 | 3310 |
| reliable | 0.557 | 2758 |
| fill-in | 0.551 | 68009 |
| plug-and-play | 0.546 | 76757 |
| unplugged | 0.545 | 40161 |
| portable | 0.545 | 5656 |
| Standby | 0.544 | 69043 |
| off-site | 0.544 | 27470 |
| emergency | 0.541 | 2319 |
| replacements | 0.538 | 17013 |
| recording | 0.536 | 3028 |
| plugging | 0.535 | 24474 |