Badness rhymes with:
fadness, madness, sadness, awkwardness, backwardness, baldness, blandness, blessedness, blindness, 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
Badness sounds like:
baden's, baidoan's, baidoans, baiting, bathing, batons, battening, batting, beating, beatings, beatnik, beatniks, bedding, bedouins, befitting, beheading, beheadings, betamax, betting, bettman's, betweens, bidding, biding, biting, bitting, bituminous, boating, boatmen's, bodanis, boeding, boipatong, booting, botanic, botham's, botting, bottom's, bottoming, bottoms, budding, budnick, budnik, buffeting, butting, buttons