• corruption, decay, decomposition, disorganization, dissolution, falling to pieces, rot
• bane, corruption, decadence, decay, declension, destruction, deterioration, doom, failure, rack, ruin, ruination, undoing, wrecking
• break-up, breakup, dissolution
• landslip, run of ground
• corruption, depravation, deterioration, impairment, mouldering
• bankruptcy, cataclysm, collapse, crash, debacle, débâcle, mouldering, rot, ruin, smash, wreckage