Words That Rhyme With "Granduncle" :
2 syllables:
ankle, buckle, bungle, bungled, buntal, chuckle, crankle, crinkle, crumple, frontal, fungal, gruntal, gruntled, huckle, humpal, inkle, jungle, kinkle, knuckle, muckle, nuncle, rankle, rhonchal, ronquil, ruckle, rumple, sprinkle, suckle, tincal, tinkle, trinkle, truckle, truncal, twinkle, uncle, winkle, wrinkle
3 syllables:
bareknuckle, besprinkle, disgruntle, disgruntled, peduncle, prefrontal, siphuncle, stomachal, unbuckle, unwrinkle, vestmental
4 syllables:
antifungal, contrapuntal, implemental