The word adverbials 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: 19
Highest Scoring Words With Friends™ Play In The Letters adverbials
:
Seven Letter Word Alert: (35 words)
abiders, abrades, abraids, abrased, adverbs, adviser, aerials, airable, airbase, airbeds, aliased, arabise, availed, basilar, bedlars, bedrail, brailed, braised, bridals, bridles, derails, devisal, diabase, dialers, disable, drivels, radials, reavail, redials, rivaled, savable, seabird, sidebar, velaria, verbals