Nexgen rhymes with:
biogen, bruntjen, energen, neupogen, powergen, synergen, urgen, airmen, biogen, bruntjen, bullpen, businessmen, canadienne, energen, euroyen, flagmen, gunmen, julianne, longden, mahen, mailmen, middlemen, minutemen, neupogen, parisienne, playpen, powergen, repairmen, shenzhen, synergen, tiananmen, turkmen, uniden, urgen, valencienne, weathermen
Nexgen sounds like:
nachman, nachmany, nagano, nagin, nakajima, nakama, nakano, nakashima, nakasone, nakayama, naquin, nashnamie, nason, nauseam, nazism, neeson, neisen, nesheim, nessen, neukam, neukom, new-mexican, newcom, newcome, newingham, newsham, newsman, newsmen, newsom, newsome, newson, newsum, newswoman, newswomen, ngema, nguyen, niacin, niccum, nicen, nickeson, nickname, nickson, nickum, nicoson, niesen, nikon, nishimo, nishiyama, niskanen, nissan, nissen, nisshin, nissim, nissin, nixon, nizhny, noxema, noxon, nugan, nujoma, nukem, nusen, nuzum, nycum