Castano rhymes with:
savastano, costano, savastano, stano, amalfitano, boitano, brentano, caetano, capitano, catano, celentano, costano, degaetano, digaetano, gaetano, garritano, giarratano, gitano, malfitano, montano, napoletano, napolitano, pantano, politano, reitano, savastano, scicchitano, stano, tramontano
Castano sounds like:
cadam, cadden, cadena, cadman, cadmium, caetano, castanon, casteen, casten, castine, caston, catain, catania, catano, catena, catino, caton, catone, cattaneo, cattani, catton, catwoman, causation, cauthen, cauthon, caution, cawthon, caxton, cayton, cedeno, cessation, chadian, chastain, chasteen, chasten, chatham, chatman, chatmon, chattin, chatwin, chaudoin, cheatham, cheatum, cheetan, cheetham, chestman, cheston, chetwin, chittum, chutney, citation, cittadino, coatney, cogitation, cookston, costain, costano, costen, costin, coston, costume, cotham, cotman, cotney, cottam, cotten, cottman, cottom, cotton, cottone, cowden, cudney, custodian, custom, cuttino, cydonia, cyhexatin