Bienstock rhymes with:
benstock, binstock, fahnestock, rosenstock, weinstock, benstock, binstock, blackstock, bostock, colestock, comstock, fahnestock, feedstock, fensterstock, goldstock, kidstock, laughingstock, livestock, rebstock, rosenstock, weinstock, woodstock
Bienstock sounds like:
banctec, banctexas, banesto's, banquets, benights, benstock, binstock