Twenty's rhymes with:
twenties, twenties, twenties, antes, bounties, bracamonte's, bracamontes, bronte's, buonicontis, certainties, counties, county's, dante's, monte's, montes, mounties, nineties, nineties', ninety's, panties, seventies, seventy's, shanties, twenties, uncertainties, vigilantes, warranties
Twenty's sounds like:
taints, tandy's, taunts, teammates, tenant's, tenants, tenants', tends, tenements, tenets, tenths, tents, thematic, thometz, tints, tomatoes, tomatos, twenties