Oceania rhymes with:
britannia, brittania, eridania, nathania, stephania, theophania, adonia, albania, albinia, alenia, amazonia, anania, ansonia, antonia, apnea, armenia, bania, bernia, bosnia, britannia, brittania, caledonia, chechnya, colonia, compania, cornea, cornia, cwiertnia, cydonia, diaphonia, donia, dromomania, enea, ennea, eridania, erminia, estonia, eugenia, gastonia, germania, gonia, gunia, hafnia, harmonia, herminia, hernia, hibernia, honea, idonia, insignia, insomnia, junia, kuznia, latonia, linnea, lithuania, lusitania, macedonia, madonia, mania, mauritania, megalomania, millennia, nania, nathania, neurasthenia, new-caledonia, omonia, papania, parthenia, patagonia, petronia, petunia, philharmonia, pollinia, pomerania, prolinea, rania, robinia, romania, rondonia, rumania, ruritania, sardinia, scania, schizophrenia, sidonia, sinfonia, slavonia, slovenia, slovonia, sophronia, stephania, sunia, sylvania, tanzania, tasmania, theophania, tonia, transylvania, vaccinia, vania, vernonia, vidonia, wynia, xenia, zenia, zinia, zinnia
Oceania sounds like:
o'cana, o'guin, o'guinn, o'hagan, o'kane, o'keson, o'quinn, oakman, ocain, ocana, occasion, occhino, ocean, oceana, ocon, ogan, ogoni, oguin, oguinn, ohagan, okane, okano, okasan, oken, okeson, okin, okinawa, okon, oksana, okuma, okun, okuno, oquin, oquinn, osama, osamu, oshima, oshman, osman, osmena, osmium, osmon, osmun, ossman, osuna, oxen, oxman, oxygen, ozanne, ozmun, ozone, ozuna