Thwarts rhymes with:
quarts, quartz, schwartz, schwarz, schwarze, swarts, swartz, warts, aborts, boortz, bortz, contorts, cortes, court's, courts, courts', distorts, exhorts, extorts, forts, goertz, imports, kortz, lortz, port's, ports, portz, quarts, quartz, report's, reports, reports', resort's, resorts, resorts', retorts, schwartz, schwarz, schwarze, shorts, shorts', shortz, shortz', snorts, sorts, sport's, sports, sports', storts, stortz, supports, swarts, swartz, teleport's, torts, transports, warts
Thwarts sounds like:
tarots, tarts, tertius, tetrads, third's, thirds, thirties, thirty's, thordis, thortec, threads, threats, throats, tirades, tortoise, tortoises, torts, tortuous, tourette's, touretzky, towards, trade's, trades, traits, treads, treaties, treatise, treatises, treats, treaty's, triad's, triads, tridex, tritch, trites, tritsch, tritz, trots, trotsky, trout's, trudge, trudges, truths, tryouts, turrets, twardowski, twothirds