Oversize rhymes with:
incise, pint-size, sighs, size, tsai's, upsize, advise, ais, ally's, applies, apprise, arise, ayes, baptize, belies, bies, bise, buy's, buys, chastise, chi's, complies, comprise, cries, crise, decries, decriminalize, deffeyes, defies, demise, denies, despise, devise, di's, dies, disguise, dries, dyes, eis, emprise, eye's, eyes, eyes', flies, fries, fry's, geis, goodbyes, gries, grise, guise, guy's, guys, guys', highs, hise, i's, i.'s, i.s, implies, incise, ise, july's, kise, kleis, knies, krise, kyes, lies, lise, mcfly's, mies, mihai's, misapplies, mize, nies, nuys, pies, pint-size, plies, pries, prize, red-eyes, relies, replies, reprise, revise, ries, rise, schleis, sensationalize, shanghai's, shies, sighs, size, skies, sky's, spies, spy's, supplies, supply's, surmise, surprise, thai's, thais, theis, thighs, ties, tries, tsai's, underlies, unwise, upsize, vanhise, vies, why's, whys, wies, wise, wyse, y's, y.'s
Oversize sounds like:
o'berg, oberg, oberhaus, oberweis, obverse, offer's, offerers, offers, opera's, operas, oppress, oppresses, oprah's, ovaries, overcash, overcook, overcooks, overhears, overreach, overreaches, overs, oversaw, oversea, overseas, oversee, oversees, oversizes, overuse, overuses, overwork, overworks, oviparous, ovoviviparous