THESAURUS
dualistic
bifold, biform, bifurcated, bilateral, binary, bipartisan, bipartite, dichotomous, double, double-barreled, duadic, dual, duple, duplex, duplicated, dyadic, identical, matched, twain, twin, twinned, two, two-sided
ROGET THESAURUS
dualistic
Duality
N
duality, dualism, duplicity, biplicity, biformity, polarity, two, deuce, couple, duet, brace, pair, cheeks, twins, Castor and Pollux, gemini, Siamese twins, fellows, yoke, conjugation, dispermy, doublets, dyad, span, two, twin, dual,
dualistic, double, binary, binomial, twin, biparous, dyadic, conduplicate, duplex, biduous, binate, diphyletic, dispermic, unijugate, tete-a-tete, coupled, conjugate, both, both the one and the other.