What is a noun for the word segregation?

break, dedomiciling, departure, detachment, dialysis, disconnection, disengagement, disjunction, disrelation, dissociation, dissolution, disunion, division, divorce, divorcement, embarkation, estrangement, farewell, gap, leave-taking, parting, parting of the ways, partition, , rift, rupture, segregatoin, severance, split, split-up