Bolding rhymes with:
beholding, folding, golding, holding, molding, moulding, scolding, unfolding, upholding, withholding
Bolding sounds like:
balding, baldini's, baldness, baldwin's, balloting, beholding, belding, belting, blading, blatnik, bleeding, bloatedness, bloating, blotnick, blotting, boldness, bolting, boultinghouse, building, building's, buildings, bulletins