The word abstemiously 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: 22
Highest Scoring Words With Friends™ Plays In The Letters abstemiously
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Seven Letter Word Alert: (84 words)
abioses, ablutes, abseils, aimless, albites, alyssum, amulets, astilbe, asylums, atomise, aulists, bailout, beastly, bemauls, besmuts, betoils, bimetal, biomass, blouses, boluses, bossily, busiest, bustles, embassy, embolus, eustasy, isolate, layouts, laytime, libates, lotuses, lysates, maltose, meatily, messily, mislays, misseat, mitoses, mobiles, moistly, molests, motleys, mousily, mueslis, mustily, mutable, mutably, myotube, obesity, outlays, outlies, outsail, salutes, seamost, smileys, solutes, somites, stables, stomies, stumble, stylise, stymies, subitem, sublets, sublime, sublist, submits, subsite, subslot, subsoil, symbiot, symbols, systole, taboule, taluses, timbale, tissuey, tousles, toyless, tubless, tumbles, tyloses, tylosis, useably