Politeness rhymes with:
lightness, brightness, forthrightness, lightness, rightness, tightness, whiteness, abruptness, absoluteness, acuteness, alertness, appropriateness, astuteness, bluntness, brightness, compactness, completeness, correctness, cuteness, directness, earnestness, eyewitness, faintness, fastness, fitness, flatness, forthrightness, gauntness, greatness, hartness, inertness, jointness, lateness, lightfastness, lightness, neatness, quietness, remoteness, rightness, robustness, separateness, shortness, softness, steadfastness, stoutness, sweetness, swiftness, tartness, tightness, unpleasantness, vastness, wetness, whiteness, witness, witness'
Politeness sounds like:
paulding, pelting, piloting, plaiting, plateauing, plating, platinum's, platonic, platoons, plaything, playthings, pleading, pleadings, plodding, plotnick, plotting, plutonic, polluting, populating, populations