separation - partition - split - segmentation - distribution - allocation - dissection - bifurcation - fragmentation - schism - segregation - detachment - apportionment - differentiation - demarcation - categorization - classification - subdivision - section - portion - part - segment - branch - sector - department - unit - faction - group - split-up - cleavage - rift - break - divide - disunion - disjunction - severance - disaggregation - disbandment - disunity - dispersion