Castro's rhymes with:
intros, metro's, petros, sutro's, aros, arrow's, arrows, baros, barros, barrows, biros, borrows, bureau's, bureaus, burroughs, cairo's, ceniceros, chamorro's, d'alessandro's, darrow's, debarros, deniro's, embrose, ercros, ferraro's, fierros, funaro's, guidroz, guitarro's, heathrow's, hero's, heroes, heros, intros, jamroz, jaros, lambros, lampros, legros, lonrho's, majoros, marlboro's, marlboros, medeiros, mesaros, meszaros, metro's, micro's, micros, miro's, montenegro's, morihiro's, moros, moroz, moruhiro's, murihuro's, narrows, negroes, negros, nero's, oliveros, ontiveros, oros, pedros, petros, pharaohs, pharoahs, politburo's, quinteros, quiros, quiroz, shapiro's, shapiros, sorrows, sparrows, speros, superheroes, sutro's, tadros, tesoro's, tiros, viveiros, viveros, voros, wheelbarrows, yaros, zero's, zeroes, zeros
Castro's sounds like:
cadres, casters, castrucci, caterers, caters, catharsis, cather's, cathers, catheters, cauterize, cauterizes, cedars, cedras, cedras', cedras's, cedric, chatterjee, cheaters, cheddars, chesters, chitra's, citric, citrosuco, citrus, citrus's, coasters, coauthors, codrescu, codrescu's, costars, costa_rica, custer's, cutters