Words That Rhyme With "Granduncles" :
2 syllables:
ankles, buckles, bungle, buntal, chuckles, frontal, fungal, gruntal, jungles, knuckles, nuncle, rankles, sprinkles, truncal, twinkles, uncles, winkles, wrinkles
3 syllables:
disgruntle, prefrontal, vestmental
4 syllables:
antifungal, contrapuntal, implemental