Fest rhymes with:
confessed, fessed, infest, professed, self-professed, abreast, acquiesced, addressed, addwest, arrest, assessed, attest, behest, bequest, best, beste, blessed, blest, breast, brest, bud-test, c'est, caressed, celeste, chest, chrest, coalesced, compressed, confessed, congest, crest, d'allest, depressed, dest, detest, digest, digressed, dispossessed, distressed, divest, dressed, eastern-west, este, expressed, farwest, fessed, finessed, gest, guessed, guest, impressed, indigest, infest, ingest, invest, jest, key_west, lest, messed, mest, midwest, molest, natwest, nest, neste, northwest, norwest, obsessed, oppressed, penwest, pest, possessed, pressed, prest, professed, progressed, quest, rearrest, reassessed, recessed, reinvest, repossessed, repressed, request, rest, retest, self-professed, southwest, stateswest, stressed, suggest, suppressed, telequest, telewest, test, transgressed, trest, unaddressed, undressed, unimpressed, unrest, vest, west, wrest, yest, yoest, zest
Fest sounds like:
facade, faced, facet, faceted, fachet, fact, facteau, facto, faggot, fagoth, faist, fajita, faked, fascist, fassett, fast, fasted, faucet, faucett, faucette, faught, fausett, faust, fausta, fausto, fawcett, faxed, fazed, feast, feasted, fecht, fecteau, feight, feist, feisty, fekete, fessed, festa, feucht, fewest, fickett, fiest, fiesta, fight, fischetti, fisette, fished, fist, fisted, fivecoat, fixate, fixated, fixed, focht, focused, focussed, foggiest, fogt, foist, foisted, foskett, fossett, fought, foust, foxwood, fucked, fugate, fugett, fugitt, fujita, fukuda, fused, fussed, fust, fustat