Unshackled rhymes with:
shackled, cacld, crackled, shackled, tackled, bespectacled, bicycled, buckled, cacld, chronicled, chuckled, circled, crackled, cycled, encircled, freckled, heckled, knuckled, pickled, rankled, recycled, shackled, sparkled, speckled, sprinkled, tackled, tickled, tinkled, trickled, twinkled, wrinkled
Unshackled sounds like:
uncalled, uncoiled, unequaled, unglued, unsealed, unskilled, unsold, unsullied