Festivities rhymes with:
activities, activities, proclivities, activities, proclivities, abilities, abnormalities, absurdities, activities, affinities, ambiguities, amenities, animosities, antiquities, anxieties, atrocities, authorities, brutalities, calamities, capabilities, capacities, charities, charity's, commodities, commodity's, commonalities, communities, curiosities, deformities, deities, densities, deputies, disabilities, disparities, divinities, enmities, entity's, equities, equities', equity's, extremities, facilities, fatalities, fidelities, fidelity's, formalities, fraternities, generalities, hostilities, humidity's, improprieties, impurities, indignities, inequities, irregularities, liabilities, liquidities, majority's, minorities, modalities, oddities, opportunities, parities, peculiarities, pieties, possibilities, priorities, probabilities, proclivities, propensities, qualities, quantities, realities, responsibilities, securities, securities', security's, similarities, societies, society's, solidarity's, sororities, technicalities, tonalities, unfamiliarities, universities, university's, utilities, utilities', utility's, vanities, varieties, velocities, verities, verity's