Hiro rhymes with:
hero, masahiro, morihiro, moruhiro, argiro, aufiero, biro, carriero, casimiro, deniro, dipiero, dipierro, dipirro, ero, fierro, guerriero, hero, kaneshiro, liro, masahiro, miro, miyashiro, morihiro, moruhiro, nero, niro, oshiro, pierro, piro, pirro, ramiro, ruggiero, santarsiero, sapiro, schiro, shapero, shapiro, shoichiro, spiro, subzero, tamashiro, tashiro, tesoriero, yamashiro, yoshiro, zero
Hiro sounds like:
haar, hair, haire, hairr, hairy, har, hara, harare, haraway, hare, harer, hari, hariri, haro, harr, harra, harrah, harre, harrer, harrier, harrow, harrower, harry, haruo, hauer, haury, hayer, haywire, hear, hearer, heer, hehir, hehr, heier, heir, her, hera, here, hero, herr, herre, herrera, herrero, herro, heuer, hewer, heyer, hier, hirai, hire, hoar, hoare, hoary, hoerr, hooray, hora, hori, horr, horror, hour, how're, hower, howery, howry, hoyer, hrawi, hreha, huairou, hur, hurrah, hurray, hurri, hurry, hyer, hyre