The word splintered 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: 16
Highest Scoring Words With Friends™ Play In The Letters splintered
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Seven Letter Word Alert: (67 words)
delints, deniers, dentils, despite, destine, diester, dieters, entries, epistle, inepter, lenders, lenited, lenites, linseed, nestled, pelites, pelters, penlite, periled, perlite, pestled, petrels, preedit, present, preside, pretend, printed, pterins, redline, reedits, relents, relined, relines, repents, repiled, repiles, repined, repines, replied, replies, reptile, respelt, respite, resplit, retiled, retiles, ripened, serpent, slender, spender, spindle, spirted, splined, sterile, sterned, stipend, striped, tenders, tendril, tensile, tepider, terpine, tinders, trienes, tripeds, tripled, triples