Teheran rhymes with:
abidjan, abron, alcon, almazan, alon, antoine, aton, azerbaijan, balaban, baran, bataan, baton, bon, bonn, bonne, bronn, buisson, c'mon, caan, cadogan, ceylon, chiffon, chon, christiane, christianne, chuan, come-on, con, conn, cron, daane, dainippon, dejohn, denouement, dhaharan, dhahran, dohn, don, donn, dwan, eldon, elston, evonne, forgone, frohn, gabon, gaitan, galvan, gibran, gohn, goings-on, grandmaison, guei-yuan, guinan, haan, hahn, han, hassan, hohn, hon, honn, hron, huan, hwan, ilan, iran, irelan, jaan, javan, johan, john, jon, jonn, juan, juran, jwan, kahan, kahn, kazakhstan, khan, kohn, kon, koran, kron, kuan, kwan, kwon, lat-lon, lian, livan, lohn, lon, lujan, mak-kwan, maran, mcconn, milan, mohn, moldovan, monn, moseley-braun, napolitan, nilan, nippon, nithuekan, non, ocon, odds-on, oman, on, oran, orran, pecan, pon, pousson, pran, put-on, quon, rapprochement, rohn, ron, ronne, run-on, saigon, salon, san-juan, sanjuan, santistevan, schon, shon, sichuan, sohn, sonn, sonne, sorbonne, spahn, spawn, spohn, srinivasan, stephane, stjohn, st_john, swan, swann, taiwan, tehran, thereupon, thon, tian, tonn, toran, tron, try-on, upon, villagran, vivyan, wan, wann, whereupon, xan, xian, xuan, yaohan, yirng-an, yohn, yon, yuan, yvonne, zhan
Teheran sounds like:
taormina, tarin, tarman, tarnow, tarom, 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, tyrrhenian