Fettes rhymes with:
fetz, barnett's, begets, berlet's, bet's, bets, betts, betz, bretts, bretz, brevets, brunettes, burnett's, cabernets, cadets, carteret's, cassettes, cigarette's, cigarettes, coronets, corvettes, couchettes, debt's, debts, diskettes, duets, falconets, fetz, forgets, frets, fretz, gets, getts, getz, gillette's, goetz, greitz, gretz, hetz, jenrette's, jet's, jets, jets', jett's, ketz, kmetz, kretz, larroquette's, let's, lets, letts, letz, lorgnettes, luncheonettes, met's, mets, mets', metts, metz, minarets, nets, netz, nonjets, ovett's, pet's, pets, petz, pipettes, pirouettes, pletz, quartet's, quartets, regrets, resets, retz, rockettes, rosettes, roulette's, roulettes, sets, silhouettes, statuettes, stetz, suffragettes, sweats, swetz, threats, tourette's, upsets, vets, vignettes, wetz
Fettes sounds like:
faddis, faddish, fades, fads, faiths, fates, fatigue, fatigues, fats, fatties, fatuous, fauteux, fayed's, feats, fed's, fedak, fedex, feds, feeds, feith's, feitz, fetch, fetches, fetish, fetsch, fetsko, fettig, fetus, fetuses, fetz, feuds, feutz, fiat's, fides, fifths, fifties, fifty's, fitak, fitch, fites, fits, fitts, fitz, fitzco, fitzhugh, food's, foods, foods', foodways, footage, foote's, fotis, foutch, fouts, foutz, fudge, fudgy, futch