Antoniu's rhymes with:
tadeusz, argues, bayous, ceausescu's, compus, continues, corpuz, cuckoo's, cuckoos, curfews, dacruz, dangews, danju's, debuts, delacruz, deroos, donoghue's, eigenvalues, fondues, fujitsu's, ginsu's, gorguze, grandnephews, habitues, haikus, honolulu's, hormuz, issue's, issues, issues', kamakau's, kanemaru's, mathews, matthew's, matthews, menus, mongosutu's, nephew's, nephews, palau's, pelekunu's, quazulu's, rodrigeuz, sununu's, tadeusz, toews, undervalues, values, values', venues, virtues, w's, w.'s, w.s, zulus
Antoniu's sounds like:
amending, ammunitions, amounting, anding, animations, annotating, annotations, antenna's, antennas, antenucci, anthems, anthony's, antitank, antonacci, antonini's, antonio's, antonios, antonius, antonucci, antunes, antunez, anything, anything's, anytime's