Vannguyen rhymes with:
mcgeean, achaean, aegean, asean, boolean, breon, cyclopean, eon, epicurean, eritrean, european, feehan, fujian, galilean, heon, ian, indo-european, jacobean, jian, keehan, korean, maccabean, mcgeean, mckeon, mckeone, meehan, mycenaean, paean, peon, plebeian, protean, rijn, shahian, sheahan, sheehan, sofian, teahan, teehan, tennessean, theon, treon, vian
Vannguyen sounds like:
vanaken, vanauken, vanengen, vanessen, vangieson, vanhoesen, vanhousen, vanwagenen, veneziano, venison, venson, vinson, voncannon, vuncannon