duplex Synonyms

semidetached house duplex house duplex apartment two-decker two twinned twin twice tenement second reversible penthouse paired matched house geminate twofold two-sided two-fold triplex semi-detached in pairs double-sided double helix doubleheader two-way biface bidirectional maisonette semi-detached house unijugate flat dyadic dwelling biparous binate binary binal bilateral bilabiate bifurcated biform bifold bifarious bifacial bidental bicipital bicephalous bipartite bivalent