Simulations rhymes with:
formulations, formulations, formulations, accumulations, appellations, calculations, cancellations, circulations, compilations, congratulations, consolations, constellation's, constellations, correlations, formulations, inflation's, inoculations, installations, legislation's, manipulations, miscalculations, mutilations, oscillations, ovulations, populations, regulations, relations, revelations, speculations, stipulations, strangulations, tabulations, translations, tribulations, violations
Simulations sounds like:
simulating, simultaneous, smelting