Suppliers' rhymes with:
supplier's, suppliers, supplier's, suppliers, pliers, supplier's, suppliers, fliers, flyers, liars, pliers, supplier's, suppliers
Suppliers' sounds like:
shufflers, spellers, spillers, splurge, spoilers, supplier's, suppliers
supplier's, suppliers, supplier's, suppliers, pliers, supplier's, suppliers, fliers, flyers, liars, pliers, supplier's, suppliers
shufflers, spellers, spillers, splurge, spoilers, supplier's, suppliers