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