| breed(verb, unite, reproduce, lay) |
| buckle(verb, join, fasten, junction) |
| catch(verb, hold, set, secure, settle) |
| cohabit(verb, join, unite, combine, link) |
| concatenate(verb, join, link, connect) |
| couple on |
| equate(verb, fix, join, combine, link) |
| few |
| fornicate(verb, unite, lay, copulate) |
| have sex(verb, expression, unite, lay, archaic) |
| identify(verb, join, combine, link, connect) |
| item(noun, pair, twosome) |
| knit(verb, touch, join, catch, stick) |
| league(verb, meet, join, unite, combine) |
| lock(verb, hold, touch, secure, join) |
| make love(verb, expression, idiom, unite, engage) |
| mating(noun, balance, equal, equivalent, counterpart) |
| pin(verb, hold, place, set, secure) |
| rivet(verb, hold, set, fix, secure) |
| sew(verb, fasten, junction) |