Castles rhymes with:
cassells, cassels, castle's, cassells, cassels, castle's, hassles, vassals, apostles, axles, bluepencils, bristles, brussels, cancels, capsules, cassells, cassels, castle's, cecil's, council's, councils, counsel's, counsels, decelles, dismissals, drexel's, euromissiles, fossils, gesell's, hardcastle's, hassles, hustles, imbeciles, ketzel's, meisels, metamucil's, microfossils, missile's, missiles, missiles', morsels, muscles, mussels, nestle's, nestles, newcastle's, parcells, parcels, pencils, pixels, rehearsals, reversals, russel's, russell's, stossel's, thistles, tonsils, tussles, universal's, utensils, vassals, vessel's, vessels, wessells, wessels, whistles, wienerschnitzel's, wrestles
Castles sounds like:
cadillac, cadillac's, cadillacs, castellucci, castelluccio, castilleja, castle's, catalog, catalogs, catalogue, catalogues, catalyze, catholic, catholics, catlike, catolica, cattolica, catwalk, citadel's, coastal's, coattails, cocktails, codelco, costales, costello's, cutlass, cytology