Pon rhymes with:
dainippon, nippon, spahn, spawn, spohn, thereupon, upon, whereupon, 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, 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
Pon sounds like:
p.m., pabon, paean, pain, paine, paino, pam, pammy, pan, panam, panama, panamanian, pane, panem, panini, pannone, pannu, panny, paone, papania, papin, papineau, papini, papon, pavon, pavone, pawn, pawnee, pay'n, payan, payin', payna, payne, peine, pen, pena, penh, penman, penn, penna, penney, pennie, penniman, pennino, penny, peon, peony, pepin, peppin, peyman, pham, phan, phen, phenom, phenomena, phenomenon, phinney, phippen, phnom, phone, phoneme, phoney, phony, piana, piano, pima, pimm, pin, pina, pine, pineau, pineo, pinho, pini, pinion, pinn, pinneo, pinney, pinnow, pino, piny, pinyan, pion, pippen, pippin, pm, pneumo, pneumonia, poem, pom, poma, pomona, pony, poon, popham, poppen, ppm, puffin, puma, pun, puny, pymm, pyne