Primeco rhymes with:
armco, simcoe, abaco, aeromexico, agco, agnico, armco, atico, barinco, calico, chico, coco, d'amico, flamenco, glasgow, guanaco, homedco, hurco, interco, ivaco, jericho, jerrico, kinko, larco, lifeco, litco, medico, mexico, miyako, monaco, moscow, new-mexico, politico, portico, rococo, servico, simcoe, tobacco, unesco, warnaco, watsco, woolco, zydeco
Primeco 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, 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, proms, promus, prong, prongs, pronounce, pronounces, pronouns, prunes, pruning, prying, purring, pyrenees, pyrenees'