The word depredation 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: 17
Highest Scoring Words With Friends™ Plays In The Letters depredation
:
Seven Letter Word Alert: (68 words)
adenoid, adepter, adopted, adopter, adorned, android, aneroid, arenite, dandier, deaired, denoted, deponed, detrain, detrend, diopter, dioptre, donated, drained, epidote, etaerio, inepter, notepad, operand, operant, operate, opiated, otarine, painted, painter, parotid, patined, peatier, pentode, peridot, pertain, pioneer, pirated, pointed, pointer, portend, predate, preedit, prenote, pretend, printed, pronate, protean, protein, radioed, readied, readopt, redated, redtape, repaint, repined, repoint, retaped, ripened, tapered, tepider, terpine, tradein, trained, trainee, treaded, trended, triaene, trodden