Deregulation rhymes with:
overregulation, regulation, overregulation, regulation, coagulation, overregulation, regulation, reregulation, strangulation, accumulation, articulation, calculation, coagulation, confabulation, emulation, formulation, granulation, innoculation, inoculation, manipulation, miscalculation, overpopulation, overregulation, ovulation, population, recalculation, regulation, reregulation, simulation, speculation, stimulation, stipulation, strangulation, tabulation, tribulation