Impaired rhymes with:
unimpaired, compared, unimpaired, compared, despaired, paired, pared, prepared, repaired, spared, unimpaired, unprepared
Impaired sounds like:
impart, imparted, imperato, import, imported, impurity, inboard, inbred, inbreed, inebriate, inebriated, inferiority, inferred, infrared, infuriate, infuriated, invert, inverted