The word balustrade 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 balustrade
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Seven Letter Word Alert: (43 words)
abaters, ablated, ablates, abludes, abluted, ablutes, abrades, abrased, abreast, adulate, arblast, aurates, austral, baldest, bedlars, belauds, blasted, blaster, blurted, bluster, budlets, bursate, bustard, bustled, bustler, butlers, datable, daubers, durable, estrual, radulae, radulas, reblast, rustled, saluted, saluter, stabled, stabler, strudel, subarea, subtler, tableau, tabular