The word subluxations 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: 26
Highest Scoring Words With Friends™ Play In The Letters subluxations
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Seven Letter Word Alert: (30 words)
albinos, anxious, aulists, autobus, bailout, bastion, bonsais, botulin, butanol, insults, laxists, obtains, outsail, oxtails, sabinos, saltbox, sinuous, stanols, sublist, subslot, subsoil, subunit, sultans, sustain, tonsils, tubulin, unbaits, unbolts, unbuilt, unlists