Oversaw rhymes with:
chainsaw, chickasaw, esau, hacksaw, handsaw, jigsaw, kennesaw, seesaw, warsaw, whipsaw
Oversaw 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, oversea, overseas, oversee, oversees, oversize, oversizes, overuse, overuses, overwork, overworks, oviparous, ovoviviparous