Dealers' rhymes with:
dealer's, dealers, dealer's, dealers, feelers, healers, keillor's, peelers, steelers, wheeler's, wheelers
Dealers' sounds like:
dealer's, dealers, delarosa, delaware's, delirious, dellarocco, delore's, delores, deloris, delors, delrossi, delrosso, diller's, dollar's, dollars, dollars', dolores, dolorosa, dwellers