| copulate(verb, touch, join, stick, unite) |
| distich |
| mates(noun, quantity, two) |
| doublet(noun, group, same, two, duality) |
| unite(verb, make, touch, join, stick) |
| deuce(noun, accompaniment, two) |
| double(noun, verb, division, opposition, balance) |
| duality(noun, accompaniment, two) |
| pair off(verb, expression, phrasal verb, make, combine) |
| twain |
| twins(noun, accompaniment, two) |
| wed(verb, make, touch, join, stick) |
| associate(verb, touch, stick, unite, link) |
| group(noun, verb, join, unite, combine) |
| link(noun, verb, touch, join, stick) |
| put together(verb, expression, phrasal verb, make, touch) |
| set(noun, side, couple, squad, players) |
| sire |
| Twin |
| bracket(verb, make, touch, join, stick) |