ROGET THESAURUS
forking
bisection
N
bisection, bipartition, dichotomy, subdichotomy, halving, dimidiation, bifurcation,
forking, branching, ramification, divarication, fork, prong, fold, half, moiety, bisected, cloven, cleft, bipartite, biconjugate, bicuspid, bifid, bifurcous, bifurcate, bifurcated, distichous, dichotomous, furcular, semi-, demi-, hemi.
Divergence
N
divergence, divergency, divarication, ramification,
forking, radiation, separation, dispersion, deviation, aberration, diverging, divergent, radiant, centrifugal, aberrant.