Partners' rhymes with:
partner's, partners, partner's, partners, copartners, kindergartners, partner's, partners, copartners, costner's, gerstner's, kindergartners, partner's, partners, ratners, vintners
partner's, partners, partner's, partners, copartners, kindergartners, partner's, partners, copartners, costner's, gerstner's, kindergartners, partner's, partners, ratners, vintners