Carolinians rhymes with:
argentinians, augustinians, finian's, palestinian's, palestinians, palestinians', albanians, amazonians, argentinians, armenians, athenians, augustinians, babylonians, bosnian's, bosnians, bostonians, caledonian's, chechnyan's, chechnyans, estonians, finian's, indianians, iranians, iranians', jacksonians, jeffersonians, jordanians, lithuanians, louisianians, oregonians, orleanians, palestinian's, palestinians, palestinians', panamanians, pennsylvanians, romanians, smithsonian's, stepanian's, ukrainian's, ukrainians, washingtonians
Carolinians sounds like:
carlin's, carling, carling's, carolina's, carolinas, caroline's, corralling, crawling, curling