See schism in Webster's New World Roget's A-Z Thesaurus II
noun
An interruption in friendly relations:
alienation, breach, break, disaffection, estrangement, fissure, rent2, rift, rupture, split. See assemble, helpA state of disagreement and disharmony:
clash, conflict, confrontation, contention, difference, difficulty, disaccord, discord, discordance, dissension, dissent, dissentience, dissidence, dissonance, faction, friction, inharmony, strife, variance, war, warfare. See conflictThe condition of being divided, as in opinion:
disunion, disunity, divergence, divergency, division. See assemble
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