Mercator rhymes with:
cater, decatur, kater, skater, vindicator, ater, cater, claytor, crater, creator, curator, debater, debator, decatur, deflator, dictator, equator, flater, frater, freighter, gaiter, gator, grater, greater, hater, hayter, inflator, kater, later, lemaitre, misater, pater, plater, prater, praytor, rater, satre, schlater, skater, slater, slayter, sleator, stater, straighter, strater, tater, traitor, translator, vanmatre, vater, viator, vindicator, waiter, wheelabrator, yater
Mercator sounds like:
maharashtra, marketeer, marketer