twofold Synonyms

double duplicate dual doubled threefold treble twin two-fold two times three-fold dually second paired in two ways matching janus hybrid geminate forficate dyadic ternary two-pronged doubleheader as much again two-way 2-dimensional vacillant two-sided two-ply two twinborn geminated twice twice as much duplicated duplex binary binal bilobed bilobate bilateral bilabiate biformed biform bifoliate bifold bifarious bifacial bidental binate