Tyrrhenian rhymes with:
armenian, athenian, beethovenian, fenian, slovenian, 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, louisianian, 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, ukrainian, usoniam, vartanian, washingtonian
Tyrrhenian sounds like:
taormina, tarin, tarman, tarnow, tarom, teheran, teherani, tehran, tehrani, teran, terhune, term, terman, termine, termini, terrain, terrana, terrano, terrien, theorem, therani, therein, thereon, therien, therm, thermae, thermo, theron, therrien, thoren, thorium, thorman, thorn, thorne, thorny, throm, throne, thrown, thrun, thurm, thurman, thurmon, thurn, thurnau, tiernan, tierney, tierno, tirana, tirane, tirone, torain, toran, toren, torian, torino, torma, torme, tormey, torn, torney, torno, tornow, torreon, torumi, tourney, trahan, trahern, train, traina, trainee, trainmen, tram, tran, trane, trani, tranum, traum, trauma, traynham, treen, treharne, treinen, tremain, tremaine, tremayne, treon, triana, triano, trim, trimm, trine, trinh, troiani, troiano, troma, tron, trone, troon, troyan, trueman, truman, try-on, tryin', tryon, turano, turenne, turin, turman, turn, turney, turnham, tyranny, tyrone