The word freeloaders 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™ Plays In The Letters freeloaders
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Seven Letter Word Alert: (29 words)
adorers, areoles, dealers, defleas, elodeas, fardels, federal, fedoras, feeders, feelers, folders, foresee, larders, leaders, loaders, loafers, ordeals, readers, realers, rearose, redeals, reefers, reelers, refeeds, refolds, release, reloads, rereads, resoled