| Solution | Length | |
|---|---|---|
| 3 letters | ||
| sex | 3 | |
| tie | 3 | |
| 4 letters | ||
| yoke | 4 | |
| link | 4 | |
| weld | 4 | |
| seam | 4 | |
| 5 letters | ||
| relay | 5 | |
| scarf | 5 | |
| union | 5 | |
| wrist | 5 | |
| sperm | 5 | |
| 6 letters | ||
| rabbet | 6 | |
| tie-in | 6 | |
| tie-up | 6 | |
| venery | 6 | |
| toggle | 6 | |
| splice | 6 | |
| suture | 6 | |
| stitch | 6 | |
| 7 letters | ||
| sex act | 7 | |
| joining | 7 | |
| pairing | 7 | |
| 8 letters | ||
| shoulder | 8 | |
| terminal | 8 | |
| 9 letters | ||
| symbiosis | 9 | |
| relations | 9 | |
| 10 letters | ||
| civilunion | 10 | |
| 11 letters | ||
| procreation | 11 | |
| UNIFICATION | 11 | |