Realization rhymes with:
criminalization, decriminalization, deinstitutionalization, destabilization, hospitalization, legalization, localization, marginalization, mineralization, mobilization, nationalization, naturalization, neutralization, panelization, personalization, revitalization, specialization, stabilization, sterilization, utilization, visualization
Realization sounds like:
ralston, raulston, reallocation, reelection, relaxation, relocation, rolston, roulston