Fermented rhymes with:
augmented, cemented, augmented, cemented, contented, invented, presented, rented, represented, resented
Fermented sounds like:
fahrenheit, fairmont, faranda, farmed, farmhand, farrand, farrant, ferment, fermenta, 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