The word disclaimer 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: 18
Highest Scoring Words With Friends™ Play In The Letters disclaimer
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Seven Letter Word Alert: (46 words)
admires, aedilic, airside, camelid, claimed, claimer, cradles, dailies, dairies, decimal, declaim, decrial, deliria, derails, dialers, diaries, dimeric, eclairs, icedams, laicise, liaised, mailers, malices, medical, midairs, miracle, misdeal, misdial, mislaid, mislead, misread, radicel, radices, radicle, realism, reclads, reclaim, redials, remails, scalier, sidearm, sidecar, similar, siriema, slimier, smilier