Quintuplets rhymes with:
octuplets, octuplets, droplets, octuplets, triplets, amulets, anklets, articulates, ballots, bartlett's, billets, booklets, branchlets, bullets, charlotte's, chocolates, consulates, copilots, correlates, defollets, droplets, eyelets, finlets, hamlets, helots, hollatz, leaflets, merlots, metallatz, millets, nutlets, octuplets, omelets, palates, pallets, pamphlets, particulates, pellets, pilot's, pilots, pilots', platelets, starlets, tablets, toilets, triplets, violets, wallets, zealots, zelotes