Sebastiana rhymes with:
biana, guiana, liana, lianna, marianna, agana, akana, alanna, ana, aulana, benihana, biana, bonadonna, bophuthatswana, botswana, caronna, didonna, digiovanna, dominicana, donna, dwana, giancana, gonna, guiana, guyana, habyarimana, haryana, iguana, ilana, ivana, ivanna, juana, kazakhstana, lackawanna, liana, lianna, louanna, madonna, mahayana, mana, marianna, marijuana, mazzorana, nirvana, nona, parana, qana, ronna, sana, santayana, shobana, shobanna, silvana, stephana, susana, suzuana, svetlana, tatyana, tawana, tijuana, umana, wanna, zuzana
Sebastiana sounds like:
savastano, sebastian, sebastiane, sebastiani, subsection, substation, substitution, subsystem, suffocation, supposition