Sixfold rhymes with:
billfold, blindfold, centerfold, eightfold, fivefold, manifold, ninefold, penfold, saffold, sevenfold, tenfold, threefold
Sixfold sounds like:
saffold, scaffold, schofield, scoffield, scofield, scuffled, seabold, seabolt, sebald, sebold, seebold, seefeld, seefeldt, seibold, seybold, sheffield, shibboleth, shifflet, shifflett, shiflet, shiflett, shiplett, shipload, shoveled, shufelt, shuffield, shuffled, siebold, spelled, spilde, spilled, spilt, splat, split, splitt, spoiled, spoleto, spoletto, squabbled, sublet, sublett, subplot, suffield, supplied, svelte, swiveled, sypolt