Words That Rhyme With "Benightedness" :
3 syllables:
bloatedness, chitinous, fetidness, footedness, sightedness
4 syllables:
committedness, conceitedness, delightedness, devotedness, elatedness, farsightedness, foresightedness, indebtedness, inflatedness, lopsidedness, misguidedness, nearsightedness, relatedness, shortsightedness, unitedness