The word questionably 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: 29
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (91 words)
abluent, ablutes, albinos, albites, aliquot, antique, astilbe, aunties, bailout, baloney, banquet, bastion, bayonet, beastly, betoils, boniest, botulin, buoyant, butanes, butanol, butynes, bylines, elastin, elation, eluants, elusion, elution, entails, equably, inquest, instyle, inulase, isolate, layouts, leantos, lesbian, libates, lionets, lunates, luniest, nailset, nastily, nebulas, niobate, noblest, notable, notably, obesity, oblique, obsequy, obtains, outlays, outlies, outline, outsail, quality, qubytes, quietly, quinoas, quinols, quinsey, quonset, saintly, salient, sealion, sequoia, sinuate, soybean, squatly, squinty, stonily, stylion, subnote, subtone, sunbelt, taboule, tenably, tequila, toenail, tunable, tunably, unbaits, unbales, unbelts, unblest, unbolts, unilobe, unsilty, useably, utensil, yanquis