Blindness rhymes with:
kindness, blandness, fondness, kindness, sandness, soundness, awkwardness, backwardness, badness, baldness, blandness, blessedness, bloatedness, boldness, coldness, 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
Blindness sounds like:
blanding, blandness, blending, blinding, blunting, bluntness