Antonin rhymes with:
behunin, pankonin, simonin, wolanin, behunin, benin, bonin, bonnin, bradykinin, branin, canin, chanin, chernin, clanin, clendenin, cronin, dennin, dobrynin, dornan, dornin, dubinin, durnin, fannin, henin, jenin, junine, kunin, lignin, magnin, melatonin, monnin, pankonin, ronin, runnin', seratonin, serotonin, simonin, tinnin, wolanin
Antonin sounds like:
amadon, amandime, amidon, ammunition, anathema, anatomy, andean, andino, andonian, animation, annotation, antenna, antennae, antenne, anthem, anthon, anthony, antoine, anton, antone, antoni, antonia, antonini, antonio, antoniou, antoniu, antony, antoon, antuna, antwine, anytime