The word transferors 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: 15
Highest Scoring Words With Friends™ Play In The Letters transferors
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Seven Letter Word Alert: (31 words)
arrests, atoners, errants, fastens, fatness, forests, fosters, fraters, froster, ornater, rafters, ranters, rasters, reasons, reroast, resorts, roarers, roaster, rosters, senator, snarers, snorers, snorter, soarers, softens, sorters, starers, stoners, tensors, terrors, treason