Louisianian rhymes with:
indianian, indianian, pakistanian, albanian, amazonian, andonian, apollinian, apollonian, argentinian, armenian, arslanian, aslanian, athenian, augustinian, babylonian, bahrainian, beethovenian, bosnian, bostonian, caledonian, carolinian, carthaginian, chechnyan, darwinian, devonian, draconian, estonian, fenian, finian, flaminian, gorgonian, houstonian, hovnanian, indianian, iranian, jacksonian, jeffersonian, jordanian, lithuanian, mediterranean, melkonian, murnian, newtonian, o'hanian, ohanian, oregonian, orleanian, pakistanian, palestinian, panamanian, patagonian, pennsylvanian, plutonian, pomeranian, romanian, rumanian, shahinian, simonian, slovenian, smithsonian, stepanian, subramanian, subterranean, tanzanian, tasmanian, tyrrhenian, ukrainian, usoniam, vartanian, washingtonian
Louisianian sounds like:
lacana, lachman, lachney, lacina, lackawanna, lackman, lagan, lagana, lagoon, laguna, lajeune, lakeman, lakin, lakshamanan, lasagna, laskin, lasmo, lasseigne, lassen, lassman, lasumma, laughman, lausanne, lauzon, lawson, laxson, layson, lazcano, leachman, leason, lechman, leeson, legan, legion, legume, leikam, leiken, leishman, lejeune, lekachman, lesane, lesesne, lesion, lessen, lessin, lessman, lessnau, lesson, leukemia, lexicon, lexine, leysen, liaison, liason, liasson, lichen, licon, liesin, lieson, ligman, lignin, ligon, liken, likhyani, liqun, liscom, lishman, lisman, lockamy, locken, lockman, lockney, locsin, logan, logician, logicon, logjam, loiacano, loiacono, loken, lokken, lookin', loosen, loughman, loughney, louisan, louisiana, lozano, lozon, luchini, lucian, luciani, lucianna, lucianne, luciano, lucien, lucienne, lucken, luckman, luckyn, lueken, lugano, lujan, luken, lukin, lukman, lusignan, luskin, luzon, lycan, lykin, lysine, lysne