Compilations rhymes with:
appellations, accumulations, appellations, calculations, cancellations, circulations, congratulations, consolations, constellation's, constellations, correlations, inoculations, installations, manipulations, miscalculations, mutilations, oscillations, ovulations, populations, regulations, revelations, speculations, stipulations, strangulations, tabulations, tribulations, violations
Compilations sounds like:
completeness, completing, completions