Ferment rhymes with:
augment, cement, dement, gourment, lament, meant, mente, accent, ascent, assent, augment, bendt, bent, bente, brent, cement, cent, circumvent, consent, dement, dent, dente, descent, dessent, discontent, dissent, ent, event, extent, fendt, fent, gent, ghent, gourment, ident, indent, intent, invent, jent, kent, lament, lent, malcontent, meant, mente, misrepresent, misspent, nonevent, outspent, overrepresent, overspent, pent, percent, prevent, reinvent, relent, rent, repent, represent, resent, scent, schwent, sent, spent, stent, tashkent, tent, trent, underrepresent, underwent, unspent, vent, wendt, went, wente, zent
Ferment sounds like:
fahrenheit, fairmont, faranda, farmed, farmhand, farrand, farrant, fermenta, fermented, fernand, fernanda, fernando, ferrand, ferrando, ferrant, ferrante, ferranti, firmed, forand, forehand, forewarned, forint, formant, format, formato, formed, fournet, framed, franta, freehand, freemont, freiermuth, freimuth, freind, fremd, fremiet, fremont, frenette, freund, freyermuth, friend, frond, fronde, front, fronted, frowned