Proms rhymes with:
brahms, cdroms, pogroms, rom's, roms, balms, bomb's, bombs, brahms, calms, cdroms, com's, coms, dahms, guam's, hommes, homs, islam's, mccombs, mom's, moms, palms, pogroms, qualms, rom's, roms, suddam's, thoms, tom's, toms, vietnam's, yom's
Proms sounds like:
pairing, papering, papernick, papier-mache, paramax, paramus, paranoiac, paring, parnassus, parnes, parness, peering, peppering, permanence, pernice, pernicious, perrins, pharaonic, pharmacia, pharmacies, pharmacy, pharynx, pheromones, poring, pouring, powering, prance, prances, prange, prank, pranks, prawns, praying, prearrange, prearranges, preeminence, preening, premise, premises, premiums, prensa, preying, priam's, primack, primacy, prime's, primeaux, primeco, primenews, primes, priming, primo's, primus, prince, prince's, princes, princess, princess', princess's, princesses, pring, prinkey, prinos, prins, prinz, prinz's, prominence, prominences, promiscuous, promise, promises, promos, promus, prong, prongs, pronounce, pronounces, pronouns, prunes, pruning, prying, purring, pyrenees, pyrenees'