Prospered rhymes with:
whispered, clippard, eppard, hampered, leopard, lepard, leppard, lippard, pampered, papered, peppard, peppered, poupard, rupard, scampered, shepard, sheperd, shephard, shepheard, shepherd, sheppard, shepperd, tampered, tapered, tempered, unhampered, wallpapered, whispered, zippered
Prospered sounds like:
persevered, poor-spirited, pressboard, prosperity