Non rhymes with:
guinan, run-on, 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, 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, teheran, 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
Non sounds like:
n, n., n92762, na, nah, nahm, nahum, naim, naiman, nam, name, nan, nana, nania, nanna, nanney, nanni, nannini, nanny, nano, naoma, naomi, nau, nauman, naumann, naw, nay, ne, nee, neeman, neenan, nehemiah, neiman, nein, nemean, nemo, nene, neni, neo, neoma, neon, neu, neue, neuman, neumann, new, newey, newman, newmann, newnam, ney, neyman, ni, nie, nieman, niemann, niemi, nienow, nihay, nihei, nihon, niihau, nimmo, nimoy, nina, nine, ninneman, ninny, nino, ninon, no, noa, noaa, noah, noam, noami, noe, noh, noiman, nom, nome, nomi, nominee, nomo, nona, none, nonhuman, nonie, nonunion, noon, noonan, noone, nooney, noun, now, nowa, nu, nuhn, numia, nummi, nun, nunan, nunn, nuno, nye, nyhan, nyina, nyman