Coldness rhymes with:
boldness, baldness, boldness, wildness, awkwardness, backwardness, badness, baldness, blandness, blessedness, blindness, bloatedness, boldness, crookedness, discontentedness, fadness, farsightedness, fondness, goodness, handedness, hardness, high-spiritedness, kindness, lightheadedness, low-spiritedness, madness, mindedness, nearsightedness, poor-spiritedness, preparedness, public-spiritedness, redness, rudeness, sadness, sandness, shrewdness, soundness, spiritedness, vividness, weirdness, wickedness, wildness
Coldness sounds like:
caladiums, caledonian's, clayton's, clothing, clotting, cloudiness, clouding, coagulating, coalition's, coalitions, colliding, colluding