Synonyms and related words :
Janus, abscission, ambiguity, ambivalence, amputation, bifidity, biformity, bifurcation, bipartition, bisection, branching, butchering, by two, chopping, cleavage, conjugation, cutting, cutting in two, dimidiation, division, doubleness, doublethink, doubling, dualism, duality, duplexity, duplication, duplicity, enucleation, equivocality, excision, fission, forking, halving, in half, irony, laceration, mutilation, pairing, polarity, ramification, rending, resection, ripping, scission, section, severance, slashing, slicing, splitting, subdivision, surgery, tearing, twinning, two-facedness, twoness,