Words That Rhyme With "Confirmedness" :
3 syllables:
charmingness, guardedness, heartedness, terminus, turbidness, turgidness
4 syllables:
conterminous, coterminous, desertedness, deservedness, downheartedness, enlargedness, faintheartedness, halfheartedness, hardheartedness, kindheartedness, trueheartedness, warmheartedness, wholeheartedness