The word backscattered 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: 27
Highest Scoring Words With Friends™ Play In The Letters backscattered
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Seven Letter Word Alert: (89 words)
abaters, abetted, abetter, abrades, abrased, abreact, abreast, acaters, acceder, accedes, accrete, acerate, acetate, aerated, aerates, arcades, attacks, backers, batters, beakers, beaters, bedares, bedecks, bedrest, berated, berates, betters, bracket, bracted, cabaret, cascade, caseate, catered, cerates, cracked, cracket, creaked, creased, created, creates, crested, darkest, dataset, dearest, debarks, debaser, debater, debates, debeaks, decarbs, decares, deckers, detects, detract, rackets, reacted, reasked, reasted, rebacks, rebaked, rebakes, rebased, rebated, rebates, redacts, redates, restack, restake, restate, retacks, retakes, retaste, sabered, saccate, scatted, scatter, sedater, setback, stacked, stacker, started, tackers, tasered, taskbar, teacake, teacart, testbed, tracked, treated