Tarts rhymes with:
starts, upstarts, art's, arts, artz, bart's, barts, bartz, carts, charts, dart's, darts, departs, descartes's, hart's, harts, hartz, heart's, hearts, imparts, k-mart's, kartes, mart's, marts, martz, part's, parts, parts', schartz, smarts, spartz, starts, upstarts
Tarts sounds like:
tarots, tertius, tetrads, third's, thirds, thirties, thirty's, thordis, thortec, threads, threats, throats, thwarts, 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