The word deconcentrated 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: 24
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (60 words)
acceded, acceder, accrete, acetone, adorned, cadence, canteen, cantred, catered, centred, coacted, codetta, coerced, concede, concern, concert, connect, contact, contend, content, cordate, cornett, created, decoder, decreed, dendron, denoted, dentate, detente, detract, detrend, donated, enacted, enactor, encoded, encoder, encored, endnote, entente, entered, entrant, entreat, erected, neonate, nondate, notated, reacted, recaned, receded, recoded, redated, reenact, rotated, tacnode, ternate, tranced, treaded, treated, trended, trodden