The word unshackled is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 23
Highest Scoring Words With Friends™ Play In The Letters unshackled
:
Seven Letter Word Alert: (27 words)
candles, caulked, chalked, chunked, clanked, clashed, clunked, hackles, handles, lunched, lunches, sculked, shacked, shackle, shucked, slacked, slacken, snacked, suckled, sundeck, unasked, uncaked, uncased, unclads, unlaced, unlaces, unleash