Geon rhymes with:
gian, deon, dione, dionne, freon, gian, leon, neon, theone, adlon, aegon, aequitron, agouron, aharon, aidan, albritton, algernon, allbritton, alliston, altron, ameron, amidon, anasquan, anyon, astrakhan, aubuchon, audubon, avedon, avodon, avon, axlon, baylon, betavon, bhagwan, bisaillon, bohannon, bohanon, bordelon, bouchillon, boyan, calderon, carlyon, carlzon, castanon, castellon, castillon, castrejon, celeron, certron, chemetron, chlorofluorocarbon, circon, claridon, coldiron, congleton, connaughton, creviston, crunkleton, culleton, cyclotron, dehaan, deion, deniston, denniston, deon, dione, dionne, donilon, dunagan, eccleston, eddlemon, edmiston, eggleton, egleston, electron, elektron, elliston, embleton, enron, enzon, equion, eron, esteban, estefan, exxon, fincannon, freon, fudosan, futon, gahagan, galyon, gian, grammophon, grandon, hambleton, hanagan, hardimon, heptathlon, hollomon, hourihan, humiston, hunan, icahn, icon, ikon, integon, interferon, invitron, ireton, iwan, johann, joulwan, juwan, katayan, kayvon, keniston, khazakhstan, kikkoman, kohan, krypton, lebreton, leon, luzon, magallon, magowan, maranon, matewan, maxion, michcon, milacron, mohan, moleculon, morejon, moreton, narayan, negatron, neon, nephron, nihon, nissan, nunan, o'hagan, orelon, ormiston, oxymoron, pembleton, peniston, perignon, pettijohn, phototron, pingleton, pitswon, poppleton, prebon, pusan, python, ragunathan, raison, raytheon, regwan, revlon, rostovondon, saison, sauvignon, sczechuan, sethuraman, shiyuan, solitron, stefan, tampon, tebuthiuron, tejon, telectron, telethon, telxon, tevatron, textron, theone, ticketron, torrejon, transcon, vaneaton, vernitron, vitramon, vuncannon, wilemon, williston, wilpon, wobegon, wojahn, xenon
Geon sounds like:
gaccione, gagan, gagen, gagne, gagnon, gahagan, gahan, gahm, gahn, gain, gainey, gama, game, gamino, gamm, gamma, gammon, gan, ganaway, ganem, ganey, ganim, gann, gannaway, gannon, gano, ganoe, gaona, gascon, gaskin, gassen, gassman, gassmann, gaughan, gaughman, gauguin, gauna, gausman, gaussian, gawain, gawen, gawne, gayman, gaymon, gean, gechem, geena, geenen, geesaman, gehm, gehman, geiken, geiman, geisen, gem, gemina, gemini, gemma, gemme, gen, gen., gena, gene, geneen, genie, genna, geno, genoa, genome, genuine, geoghegan, ghana, ghanaian, gheen, giacomini, giacomo, giacone, giaimo, gian, gianini, gianino, gianni, giannini, giannino, giannone, gienow, giesen, giessen, gimme, gin, gina, ginn, ginnie, ginny, gino, gisenyi, gizmo, gnann, gnau, gnaw, gnome, gnu, goan, goeken, goeman, goemon, goen, gogan, goggin, goguen, goheen, gohman, gohn, goin, goin', goma, gone, gonia, gonium, gonna, gonya, gonyea, gonyo, googin, gookin, goon, goonan, goosen, goossen, goshen, gosman, gosney, gossen, gossman, gougeon, gouin, gowan, gowen, gowin, gown, goyim, goyne, guam, guanine, guano, guccione, guei-yuan, guenna, guggenheim, gugino, guiana, guin, guinan, guinea, guiney, guinn, guion, gum, gumi, gumina, gumm, gummi, gummy, gun, gunia, gunman, gunmen, gunn, gunnoe, gunny, guseman, gusman, gussman, guyana, guymon, guynn, guyon, guzman, gwen, gwennie, gwin, gwinn, gwyn, gwynn, gwynne, gym, gyn, gyuhama