Synonyms of duality

1 Syllable
pair, span, dyad, duo, team, twains, pairs, two, twins, match, yoke
2 Syllables
mates, combo, twoness, couple, brace, doublet, deuce, duals
3 Syllables
diremption, twosome, combine, binaries
4 Syllables
duplicity, combination
6 Syllables
bilaterality