Annuities rhymes with:
gratuities, authorities', authority's, availabilities, banalities, causalities, cavities, celebrities, celebrity's, charities', christianity's, community's, complexities, complicities, eccentricities, entities, entities', facility's, gratuities, humanities, humanity's, identities, illegalities, immunities, indemnities, inequalities, infidelities, infirmities, insecurities, instabilities, legalities, localities, majorities, maturities, municipalities, nationalities, necessities, niceties, obscenities, personalities, principalities, rarities, rigidities, sensibilities, sensitivities, trinity's, universities', varity's, vulnerabilities
Annuities sounds like:
amadeus, amanda's, amandas, amato's, amdec, amdek, amedco, amends, amenities, ametek, ametek's, ammonites, amniotic, amounts, amtech, andes, andis, ands, andy's, animates, anitec, annotates, anodes, antczak, antec, antes, anthes, anthis, antic, antico, antics, antigay, antigua, antioch, antiochus, antique, antiques, antis, antitax, antithesis, antkowiak, antos, antosh, ants, antsy, aunt's, aunts, aunts'