Ponton rhymes with:
swanton, tonton, allenton, atlantan, badminton, bainton, banton, benton, blanton, boonton, boynton, bradenton, branton, brenton, brinton, brunton, bunten, bunton, canton, clanton, clinton, cochranton, danton, dentin, denton, dentton, doddington, dunton, edenton, edmonton, fanton, fenton, finton, fountain, glanton, hanten, henton, hinton, hopkinton, hunton, intan, ironton, kenton, kinton, lenton, lewinton, linton, lynton, manton, mcclinton, menton, minton, mountain, panton, penton, pilkenton, pilkinton, plantain, pleasanton, port-clinton, printon, purinton, renton, santon, scranton, shenton, simonton, sinton, spanton, stanton, staunton, swanton, swinton, tanton, taunton, thornton, tinton, tonton, trenton, vanzanten, vinton, vongunten, wanton, warrenton, wigginton, wiginton, winton, wynton
Ponton sounds like:
pandemonium, pantano, pantheon, pantomime, panton, pentane, pentium, penton, phantom, pondimin, pontoon, poynton