The word upbraiders 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 upbraiders
:
Seven Letter Word Alert: (32 words)
abiders, airbeds, aspired, aspirer, birders, braider, braised, braiser, brasier, bruised, bruiser, daubers, deburrs, despair, diapers, drapers, praised, praiser, rabider, raiders, rapider, raspier, rebraid, repairs, seabird, sidebar, sparred, spurred, upbraid, upraise, uprears, upriser