| Solution | Length | |
|---|---|---|
| 3 letters | ||
| tie | 3 | |
| sex | 3 | |
| bed | 3 | |
| 5 letters | ||
| screw | 5 | |
| sperm | 5 | |
| tithe | 5 | |
| truck | 5 | |
| trade | 5 | |
| touch | 5 | |
| reply | 5 | |
| union | 5 | |
| 6 letters | ||
| coitus | 6 | |
| barter | 6 | |
| venery | 6 | |
| splice | 6 | |
| tie-in | 6 | |
| speech | 6 | |
| tie-up | 6 | |
| seesaw | 6 | |
| 7 letters | ||
| society | 7 | |
| RAPPING | 7 | |
| rapport | 7 | |
| talking | 7 | |
| sex act | 7 | |
| traffic | 7 | |
| dealing | 7 | |
| 8 letters | ||
| commerce | 8 | |
| nearness | 8 | |
| practice | 8 | |
| intimacy | 8 | |
| relation | 8 | |
| speaking | 8 | |
| sympathy | 8 | |
| response | 8 | |
| junction | 8 | |
| 9 letters | ||
| telepathy | 9 | |
| relations | 9 | |
| proximity | 9 | |
| symbiosis | 9 | |
| 10 letters | ||
| connection | 10 | |
| deportment | 10 | |
| similarity | 10 | |
| 11 letters | ||
| UNIFICATION | 11 | |
| NEGOTIATION | 11 | |
| tit for tat | 11 | |
| procreation | 11 | |
| propinquity | 11 | |
| 12 letters | ||
| relationship | 12 | |
| quid pro quo | 12 | |
| 13 letters | ||
| participation | 13 | |
| COMMUNICATION | 13 | |
| 14 letters | ||
| CORRESPONDENCE | 14 | |
| 18 letters | ||
| social intercourse | 18 | |
| intercommunication | 18 | |
| restraint of trade | 18 | |